TY - JOUR AU - I. G. Salekhova TI - Some boundary value problems for the plane with a~countable set of periodically positioned cracks JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1990 SP - 87 EP - 89 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1990_2_a15/ LA - ru ID - IVM_1990_2_a15 ER -