@article{1103035746, author = {Halmos, P. R. and McLaughlin, J. E.}, title = {Partial isometries.}, journal = {Pacific J. Math.}, volume = {13}, number = {4}, year = {1963}, pages = { 585-596}, language = {en}, url = {http://dml.mathdoc.fr/item/1103035746} }
Halmos, P. R.; McLaughlin, J. E. Partial isometries.. Pacific J. Math., Tome 13 (1963) no. 4, pp. 585-596. http://gdmltest.u-ga.fr/item/1103035746/