Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1972_11_3_a13, author = {L. E. Evtushik}, title = {Nonlinear $m^p$-connectivities in principal fibrations}, journal = {Matemati\v{c}eskie zametki}, pages = {341--351}, publisher = {mathdoc}, volume = {11}, number = {3}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1972_11_3_a13/} }
L. E. Evtushik. Nonlinear $m^p$-connectivities in principal fibrations. Matematičeskie zametki, Tome 11 (1972) no. 3, pp. 341-351. http://geodesic.mathdoc.fr/item/MZM_1972_11_3_a13/