TY - JOUR AU - E. I. Ganzha TI - The main series of nonhomogeneous systems of hydrodynamic type with constant matrices possessing $1^{st}$ order conservation laws JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 1995 SP - 641 EP - 648 VL - 1 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_1995_1_3_a4/ LA - ru ID - FPM_1995_1_3_a4 ER -