@article{1029000746, author = {Hagopian, Charles L.}, title = {The cyclic connectivity of plane continua.}, journal = {Michigan Math. J.}, volume = {18}, number = {1}, year = {1971}, pages = { 401-407}, language = {en}, url = {http://dml.mathdoc.fr/item/1029000746} }
Hagopian, Charles L. The cyclic connectivity of plane continua.. Michigan Math. J., Tome 18 (1971) no. 1, pp. 401-407. http://gdmltest.u-ga.fr/item/1029000746/