@article{1256067875, author = {Bourgin, D. G.}, title = {Multiplicity of solutions in frame mappings}, journal = {Illinois J. Math.}, volume = {9}, number = {4}, year = {1965}, pages = { 169-177}, language = {en}, url = {http://dml.mathdoc.fr/item/1256067875} }
Bourgin, D. G. Multiplicity of solutions in frame mappings. Illinois J. Math., Tome 9 (1965) no. 4, pp. 169-177. http://gdmltest.u-ga.fr/item/1256067875/