TY - JOUR AU - N. K. Kulikov TI - Qualitative-quantitative investigation of the solutions of second-order ordinary linear homogeneous differential equations JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1965 SP - 75 EP - 83 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1965_4_a8/ LA - ru ID - IVM_1965_4_a8 ER -