"17.966"^^ . "1"^^ . "J_imp \u010Dl\u00E1nek v impaktovan\u00E9m \u010Dasopise" . . "RIV/00216208:11320/09:00207123!RIV10-MSM-11320___" . . "17.801"^^ . "17.801"^^ . . . . "$k$-chromatic number of graphs on surfaces" . . "oJJPhBc51Ug6J.XAaB0AxTyVu34=" . . "http://www.isvav.cz/h12/resultDetail.do?rowId=RIV%2F00216208%3A11320%2F09%3A00207123!RIV10-MSM-11320___"^^ . . . . . "17.966"^^ . "SIAM Journal on Discrete Mathematics" .