TY  - JOUR
AU  - V. Ya. Ivrii
TI  - Propagation of singularities of solutions of nonclassical boundary-value problems for the wave equation
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1979
SP  - 85
EP  - 86
VL  - 13
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1979_13_3_a14/
LA  - ru
ID  - FAA_1979_13_3_a14
ER  -