TY - JOUR AU - N. Yu. Kapustin AU - E. I. Moiseev TI - A spectral problem for the Laplace operator in the square with a spectral parameter in the boundary condition JO - Differencialʹnye uravneniâ PY - 1998 SP - 662 EP - 667 VL - 34 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1998_34_5_a7/ LA - ru ID - DE_1998_34_5_a7 ER -