@article{BSMF_1992__120_4_507_0, author = {Erd\"os, P. and Jo\'o, M. and Jo\'o, I.}, title = {On a problem of {Tamas} {Varga}}, journal = {Bulletin de la Soci\'et\'e Math\'ematique de France}, pages = {507--521}, publisher = {Soci\'et\'e math\'ematique de France}, volume = {120}, number = {4}, year = {1992}, doi = {10.24033/bsmf.2196}, zbl = {0787.11002}, mrnumber = {93m:11076}, language = {en}, url = {http://archive.numdam.org/articles/10.24033/bsmf.2196/} }