TY - JOUR AU - D. V. Kornienko TI - On a spectral problem for two hyperbolic systems JO - Differencialʹnye uravneniâ PY - 2006 SP - 91 EP - 100 VL - 42 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2006_42_1_a7/ LA - ru ID - DE_2006_42_1_a7 ER -