TY  - JOUR
AU  - A. M. Sedletskii
TI  - Bases that occur in the solution of equations of mixed type
JO  - Differencialʹnye uravneniâ
PY  - 1999
SP  - 507
EP  - 515
VL  - 35
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1999_35_4_a8/
LA  - ru
ID  - DE_1999_35_4_a8
ER  -