TY - JOUR AU - Yu. V. Komlenko TI - Certain estimates of the interval of applicability of a~theorem of S.\,A.~Chaplygin on differential inequalities and stability criteria for differential equations with periodic coefficients JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1966 SP - 99 EP - 103 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1966_1_a11/ LA - ru ID - IVM_1966_1_a11 ER -