TY  - BOOK
AU  - Bick, Theodore A.,
TI  - Elementary boundary value problems
T2  - Monographs and textbooks in pure and applied mathematics
SN  - 0824788990
AV  - QA379 B53
PY  - 1993///
CY  - New York
PB  - M. Dekker
KW  - Problemas de valores de frontera
ER  -