The complex WKB method for nonlinear equations I: linear theory/
Victor P. Maslov ; translated from the Russian by M.A. Shishkova and A.B. Sossinsky.
- Basel ; Boston: Birkhäuser, 1994.
- vii, 300 p.: ill.; 24 cm.
- Progress in physics ; v. 16. .
- Progress in physics (Boston, Mass.) v. 16. .