TY  - BOOK
AU  - Encyclopaedia of Mathematical Sciences
AU  - Agranovich, M. S. ; ed.
AU  - Egorov, Yu V. ; jt. ed.
AU  - Shubin, M. A. ; jt. ed.
TI  - Partial differential equations IX: elliptic boundary value problems
T2  - Encyclopaedia of Mathematical Sciences
SN  - 3540570446
U1  - 510.3 
PY  - 1997///
CY  - Berlin
PB  - Springer-Verlag
ER  -