%0 Journal Article %A Lane, Norman D. %A Scherk, Peter %A Turgeon, Jean M. %T Quasigraphs %J Canadian journal of mathematics %D 1977 %P 1-28 %V 29 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-001-4/ %R 10.4153/CJM-1977-001-4 %F 10_4153_CJM_1977_001_4