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@article{PIM_1977_N_S_21_35_a16, author = {{\DJ}uro Kurepa}, title = {On {Some} {Hypotheses} {Concerning} {Trees}}, journal = {Publications de l'Institut Math\'ematique}, pages = {99 }, publisher = {mathdoc}, volume = {_N_S_21}, number = {35}, year = {1977}, url = {http://geodesic.mathdoc.fr/item/PIM_1977_N_S_21_35_a16/} }
Đuro Kurepa. On Some Hypotheses Concerning Trees. Publications de l'Institut Mathématique, _N_S_21 (1977) no. 35, p. 99 . http://geodesic.mathdoc.fr/item/PIM_1977_N_S_21_35_a16/