TY - JOUR AU - S. S. Pukhov TI - Simplified justification of the most important changes of variable in multiple integral JO - Matematičeskoe obrazovanie PY - 2020 SP - 38 EP - 48 IS - 3 UR - http://geodesic.mathdoc.fr/item/MO_2020_3_a6/ LA - ru ID - MO_2020_3_a6 ER -