TY  - JOUR
AU  - V. A. Il'in
TI  - The method of Fourier for an hyperbolic equation with discontinuous coefficients
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 21
EP  - 24
VL  - 142
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_142_1_a4/
LA  - ru
ID  - DAN_1962_142_1_a4
ER  -