@article{1103036138, author = {Montgomery, Deane and Yang, C. T.}, title = {A theorem on the action of ${\rm SO}(3)$.}, journal = {Pacific J. Math.}, volume = {12}, number = {4}, year = {1962}, pages = { 1385-1400}, language = {en}, url = {http://dml.mathdoc.fr/item/1103036138} }
Montgomery, Deane; Yang, C. T. A theorem on the action of ${\rm SO}(3)$.. Pacific J. Math., Tome 12 (1962) no. 4, pp. 1385-1400. http://gdmltest.u-ga.fr/item/1103036138/