TY  - JOUR
AU  - E. V. Ferapontov
TI  - Systems of three differential equations of hydrodynamic type with hexagonal 3-web of characteristics on the solutions
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1989
SP  - 79
EP  - 80
VL  - 23
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1989_23_2_a17/
LA  - ru
ID  - FAA_1989_23_2_a17
ER  -