TY  - JOUR
AU  - V. P. Didenko
TI  - Some systems of differential equations of mixed type
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 709
EP  - 712
VL  - 144
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_144_4_a4/
LA  - ru
ID  - DAN_1962_144_4_a4
ER  -