@article{1103038898,
author = {Shapiro, Victor L.},
title = {Intrinsic operators in three-space.},
journal = {Pacific J. Math.},
volume = {9},
number = {4},
year = {1959},
pages = { 1257-1267},
language = {en},
url = {http://dml.mathdoc.fr/item/1103038898}
}
Shapiro, Victor L. Intrinsic operators in three-space.. Pacific J. Math., Tome 9 (1959) no. 4, pp. 1257-1267. http://gdmltest.u-ga.fr/item/1103038898/