TY - JOUR AU - L. I. Mogilevich TI - Some problems of singular perturbations in the nonlinear filtration of a~compressible fluid JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1976 SP - 113 EP - 116 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1976_3_a15/ LA - ru ID - IVM_1976_3_a15 ER -