TY  - JOUR
AU  - I. A. Kipriyanov
AU  - A. A. Kulikov
TI  - Fundamental solutions of $B$-hypo-elliptic equations
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 1387
EP  - 1395
VL  - 27
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_8_a12/
LA  - ru
ID  - DE_1991_27_8_a12
ER  -