TY  - JOUR
AU  - V. G. Prikazchikov
AU  - Zh. P. Allanazarov
TI  - A scheme of fourth-order accuracy in a spectral problem for an equation with a mixed derivative
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 1250
EP  - 1255
VL  - 25
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_7_a20/
LA  - ru
ID  - DE_1989_25_7_a20
ER  -