TY - JOUR AU - R. G. Shterenberg AU - V. V. Sukhanov TI - Scattering for differential operators of order four on the half-line.~I. Direct problem JO - Algebra i analiz PY - 2013 SP - 236 EP - 250 VL - 25 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2013_25_2_a10/ LA - ru ID - AA_2013_25_2_a10 ER -