@article{1029001716, author = {Brickman, Louis and Wilken, Donald}, title = {Subordination and insuperable elements.}, journal = {Michigan Math. J.}, volume = {22}, number = {3}, year = {1976}, pages = { 225-233}, language = {en}, url = {http://dml.mathdoc.fr/item/1029001716} }
Brickman, Louis; Wilken, Donald. Subordination and insuperable elements.. Michigan Math. J., Tome 22 (1976) no. 3, pp. 225-233. http://gdmltest.u-ga.fr/item/1029001716/