TY - JOUR AU - S. V. Khabirov TI - Optimal system for the sum of two ideals admitted by the hydrodynamic type equations JO - Ufa mathematical journal PY - 2014 SP - 97 EP - 101 VL - 6 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UFA_2014_6_2_a6/ LA - en ID - UFA_2014_6_2_a6 ER -