1 L. S. Liu, "On common xed points of single valued mappings and setvalued mappings" 18 (18): 6-10, 1992
2 G. Meinardus, "Invarianze bei linearen approximationen" 14 : 301-303, 1963
3 N. Shahzad, "Invariant approximations, generalized I-contractions, and R-subweakly commuting maps" 1 : 79-86, 2005
4 N. Shahzad, "Invariant approximations and R-subweakly commuting maps" 257 : 39-44, 2001
5 B. Brosowski, "Fixpunktsatze in der Approximationstheorie" 11 : 165-220, 1969
6 S. P. Singh, "Fixed point theory and best approximation:The KKM-Map Principle, Vol. 424" Kluwer Academic Publishers 1997
7 I. Beg, "Fixed point theorems and best approximation in convex metric space" 8 (8): 97-105, 1992
8 G. Jungck, "Compatible maps and invariant approximations" 325 : 1003-1012, 2007
9 G. Jungck, "Compatible mappings and common xed points" 9 (9): 771-779, 1986
10 M. A. Al-Thaga, "Common xed points and best approximation" 85 (85): 318-323, 1996
1 L. S. Liu, "On common xed points of single valued mappings and setvalued mappings" 18 (18): 6-10, 1992
2 G. Meinardus, "Invarianze bei linearen approximationen" 14 : 301-303, 1963
3 N. Shahzad, "Invariant approximations, generalized I-contractions, and R-subweakly commuting maps" 1 : 79-86, 2005
4 N. Shahzad, "Invariant approximations and R-subweakly commuting maps" 257 : 39-44, 2001
5 B. Brosowski, "Fixpunktsatze in der Approximationstheorie" 11 : 165-220, 1969
6 S. P. Singh, "Fixed point theory and best approximation:The KKM-Map Principle, Vol. 424" Kluwer Academic Publishers 1997
7 I. Beg, "Fixed point theorems and best approximation in convex metric space" 8 (8): 97-105, 1992
8 G. Jungck, "Compatible maps and invariant approximations" 325 : 1003-1012, 2007
9 G. Jungck, "Compatible mappings and common xed points" 9 (9): 771-779, 1986
10 M. A. Al-Thaga, "Common xed points and best approximation" 85 (85): 318-323, 1996
11 L. S. Liu, "Common xed point theorems for (sub) compatible and set valued generalized nonexpansive mappings in convex metric spaces" 14 (14): 685-692, 1993
12 S. P. Singh, "Application of xed point theorems to approximation theory. in: Applied nonlinear Analysis" Academic Press 1979
13 P. V. Subrahmanyam, "An application of a xed point theorem to best approximations" 20 : 165-172, 1977
14 S. P. Singh, "An application of a xed point theorem to approximation theory" 25 : 89-90, 1979
15 S. A. Sahab, "A result in best approximation theory" 55 : 349-351, 1988
16 T. L. Hicks, "A note on xed point theorems" 34 : 221-225, 1982
17 W. Takahashi, "A convexity in Metric sapce and nonexpansive mappings" 22 : 142-149, 1970