TY  - BOOK
AU  - Leray, Jean
AU  - Schroeder, Carolyn
TI  - Lagrangian analysis and quantum mechanics: ; a mathematical structure related to asymptotic expansions and the Maslov index 
U1  - 530.1 
PY  - 1981///
CY  - Cambridge
PB  - MIT Press
N1  - "English translation by Carolyn Schroeder"
ER  -