@article{10_4153_CMB_1972_081_0, author = {Hajnal, A. and Milner, E. C. and Szemer\'edi, E.}, title = {A {Cure} for the {Telephone} {Disease}}, journal = {Canadian mathematical bulletin}, pages = {447--450}, year = {1972}, volume = {15}, number = {3}, doi = {10.4153/CMB-1972-081-0}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-081-0/} }