TY - JOUR AU - A. A. Bityurin TI - Mathematical modelling of critical speed of the multistage core at longitudinal blow JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2012 SP - 56 EP - 62 VL - 12 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2012_12_1_a8/ LA - ru ID - ISU_2012_12_1_a8 ER -