TY  - BOOK
AU  - Bellman Richard
AU  - Vasudevan Ramabhadra
TI  - Wave propagation: an invariant imbedding approach
U1  - 530.124 
PY  - 1986///
CY  - Dordrecht
PB  - D Reidel Pub
KW  - Physics
KW  - Quantum mechanics
KW  - Wave mechanics
ER  -