TY - JOUR AU - V. M. Millionshchikov TI - A proof of the existence of nonregular systems of linear differential equations with quasiperiodic coefficients JO - Differencialʹnye uravneniâ PY - 1969 SP - 1979 EP - 1983 VL - 5 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1969_5_11_a2/ LA - ru ID - DE_1969_5_11_a2 ER -