@article{1077467629, author = {Koch, R. J.}, title = {Note on weak cutpoints in clans}, journal = {Duke Math. J.}, volume = {24}, number = {1}, year = {1957}, pages = { 611-615}, language = {en}, url = {http://dml.mathdoc.fr/item/1077467629} }
Koch, R. J. Note on weak cutpoints in clans. Duke Math. J., Tome 24 (1957) no. 1, pp. 611-615. http://gdmltest.u-ga.fr/item/1077467629/