TY - JOUR AU - E. I. Ganzha TI - Higher conservation laws of nonhomogeneous systems of hydrodynamic type JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1996 SP - 86 EP - 87 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1996_1_a17/ LA - ru ID - VMUMM_1996_1_a17 ER -