@article{ERAAMS_1995_01_3_a3, author = {Manning, Gregory}, title = {Some results on the \ensuremath{\mathit{m}}(4) problem of {Erd\"os} and {Hajnal}}, journal = {Electronic research announcements of the American Mathematical Society}, pages = {112--113}, publisher = {mathdoc}, volume = {01}, number = {3}, year = {1995}, doi = {10.1090/S1079-6762-95-03004-6}, url = {http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-95-03004-6/} }