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@article{JRAM_1993__442_153557, author = {M. Dajczer and M. Do Carmo}, title = {Local isometric immersions of {R2} into {R4.}}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {205--219}, publisher = {mathdoc}, volume = {442}, year = {1993}, zbl = {0782.53018}, url = {http://geodesic.mathdoc.fr/item/JRAM_1993__442_153557/} }
M. Dajczer; M. Do Carmo. Local isometric immersions of R2 into R4.. Journal für die reine und angewandte Mathematik, Tome 442 (1993), pp. 205-219. http://geodesic.mathdoc.fr/item/JRAM_1993__442_153557/