TY - JOUR AU - M. Aripov AU - A. S. Matyakubov TI - To the qualitative properties of solution of system equations not in divergence form of polytrophic filtration in variable density JO - Nanosistemy: fizika, himiâ, matematika PY - 2017 SP - 317 EP - 322 VL - 8 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NANO_2017_8_3_a2/ LA - en ID - NANO_2017_8_3_a2 ER -