%0 Journal Article %A E. B. Kinber %T A polynomial algorithm for finding minimal vertex coverings for a class of planar graphs %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1980 %P 75-77 %N 1 %U http://geodesic.mathdoc.fr/item/IVM_1980_1_a16/ %G ru %F IVM_1980_1_a16