TY  - BOOK
AU  - Petryshyn,Wolodymyr V.
TI  - Approximation-solvability of nonlinear functional and differential equations
T2  - Pure and applied mathematics
SN  - 0824787935
AV  - QA321.5  .P47 1993
PY  - 2004///
CY  - New York
PB  - Marcel Dekker
KW  - Nonlinear functional analysis
KW  - Mappings (Mathematics)
KW  - Topological degree
ER  -