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@article{AM2_1990__39_2-3_137355, author = {V. Totik}, title = {A conjecture of {Gy.} {Petruska.}}, journal = {Aequationes mathematicae}, pages = {261--263}, publisher = {mathdoc}, volume = {39}, number = {2-3}, year = {1990}, url = {http://geodesic.mathdoc.fr/item/AM2_1990__39_2-3_137355/} }
V. Totik. A conjecture of Gy. Petruska.. Aequationes mathematicae, Tome 39 (1990) no. 2-3, pp. 261-263. http://geodesic.mathdoc.fr/item/AM2_1990__39_2-3_137355/