%0 Journal Article %A I. G. Salekhova %T Some boundary value problems for the plane with a~countable set of periodically positioned cracks %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1990 %P 87-89 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1990_2_a15/ %G ru %F IVM_1990_2_a15