1 Portela, "?Trefftz boundary element methods for domains with slits?" 299-304, 1997
2 Domingues, "?Trefftz boundary element method applied to fracturemechanics?" 67-86, 1999
3 Qin, "?Solving anti-plane problems of piezoelectric materials by the Trefftz finite elementapproach?" 461-468, 2003
4 Zhou, "?Investigation of anti-plane shear behaviour of two collinear cracks in apiezoelectric materials strip by a new method?" 289-295, 2001
5 Cheung, "?Direct solution procedure for solution of harmonicproblems using complete non-singular Trefftz functions?" 159-169, 1989
6 Pak, "?Crack extension force in a piezoelectric material?" 647-653, 1990
7 Kita, "?Application of a direct Trefftz method with domain decomposition to2D potential problems?" 539-548, 1999
8 Kita, "Trefftz method" 3-12, 1995
9 Qin, "The Trefftz Finite and Boundary Element Method Southampton" WIT Press 2000
10 Sladek, "Global and local Trefftz boundary integral formulations?" 469-476, 2002
1 Portela, "?Trefftz boundary element methods for domains with slits?" 299-304, 1997
2 Domingues, "?Trefftz boundary element method applied to fracturemechanics?" 67-86, 1999
3 Qin, "?Solving anti-plane problems of piezoelectric materials by the Trefftz finite elementapproach?" 461-468, 2003
4 Zhou, "?Investigation of anti-plane shear behaviour of two collinear cracks in apiezoelectric materials strip by a new method?" 289-295, 2001
5 Cheung, "?Direct solution procedure for solution of harmonicproblems using complete non-singular Trefftz functions?" 159-169, 1989
6 Pak, "?Crack extension force in a piezoelectric material?" 647-653, 1990
7 Kita, "?Application of a direct Trefftz method with domain decomposition to2D potential problems?" 539-548, 1999
8 Kita, "Trefftz method" 3-12, 1995
9 Qin, "The Trefftz Finite and Boundary Element Method Southampton" WIT Press 2000
10 Sladek, "Global and local Trefftz boundary integral formulations?" 469-476, 2002
11 Qin, "Fracture Mechanics of Piezoelectric Materials" WIT Press 2001
12 Zurich, "Congress of Applied Mechanics" 131-137, 1926