@article{10_21136_CPM_1978_117985, author = {Zelinka, Bohdan}, title = {On a problem of {R.} {H\"aggkvist} concerning edge-colourings of graphs}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {289--290}, publisher = {mathdoc}, volume = {103}, number = {3}, year = {1978}, doi = {10.21136/CPM.1978.117985}, mrnumber = {506558}, zbl = {0391.05027}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1978.117985/} }