TY  - JOUR
AU  - F. E. Lomovtsev
TI  - Smoothness of Strong Solutions of Complete Hyperbolic Second-Order Differential Equations with Variable Domains of Operator Coefficients
JO  - Differencialʹnye uravneniâ
PY  - 2001
SP  - 276
EP  - 278
VL  - 37
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_2001_37_2_a15/
LA  - ru
ID  - DE_2001_37_2_a15
ER  -