TY - JOUR AU - D. P. Kostomarov TI - Solution of the Cauchy Problem for an Ultrahyperbolic Equation of Dimension 3 by 2 and 2 by 2 JO - Differencialʹnye uravneniâ PY - 2003 SP - 393 EP - 401 VL - 39 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2003_39_3_a12/ LA - ru ID - DE_2003_39_3_a12 ER -