TY - JOUR AU - G. A. Grigoryan TI - Special Factorization of a Noninvertible Fredholm Operator of the Second Kind JO - Differencialʹnye uravneniâ PY - 2002 SP - 1690 EP - 1697 VL - 38 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2002_38_12_a12/ LA - ru ID - DE_2002_38_12_a12 ER -