TY - JOUR AU - I. E. Pleshchinskaya AU - N. B. Pleschinskii TI - Over-determined boundary value problems for elliptic partial differential equations and their applications to waves diffraction theory. JO - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki PY - 2005 SP - 4 EP - 32 VL - 147 IS - 3 UR - http://geodesic.mathdoc.fr/item/UZKU_2005_147_3_a0/ LA - ru ID - UZKU_2005_147_3_a0 ER -