TY - JOUR AU - A. A. Bobodzhanov AU - V. F. Safonov TI - Equations with an unstable spectral value of the kernel of an integral operator and contrast structures JO - Differencialʹnye uravneniâ PY - 2006 SP - 660 EP - 673 VL - 42 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2006_42_5_a9/ LA - ru ID - DE_2006_42_5_a9 ER -