TY - JOUR AU - M. S. Belokursky TI - Erugin’s problem on the existence of irregular solutions in one case of the linear system with nonzero mean of periodic coefficient JO - Problemy fiziki, matematiki i tehniki PY - 2015 SP - 51 EP - 54 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2015_3_a8/ LA - ru ID - PFMT_2015_3_a8 ER -