TY  - JOUR
AU  - V. I. Mossakovskii
AU  - A. A. Novopashin
AU  - A. G. Biskup
TI  - Certain aspects of the Riemann problem for the case of an equation with four singular points
JO  - Differencialʹnye uravneniâ
PY  - 1975
SP  - 445
EP  - 455
VL  - 11
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1975_11_3_a3/
LA  - ru
ID  - DE_1975_11_3_a3
ER  -