TY - JOUR AU - V. V. Sergeichuk TI - Pseudolinear matrix pencils and systems of linear differential equations with meromorphic coefficients JO - Differencialʹnye uravneniâ PY - 1989 SP - 1721 EP - 1727 VL - 25 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1989_25_10_a9/ LA - ru ID - DE_1989_25_10_a9 ER -