@article{1183506222, author = {Cohen, L. W.}, title = {On linear equations in Hilbert space}, journal = {Bull. Amer. Math. Soc.}, volume = {50}, number = {12}, year = {1944}, pages = { 729-733}, language = {en}, url = {http://dml.mathdoc.fr/item/1183506222} }
Cohen, L. W. On linear equations in Hilbert space. Bull. Amer. Math. Soc., Tome 50 (1944) no. 12, pp. 729-733. http://gdmltest.u-ga.fr/item/1183506222/