@article{00822761, title = {Tubular NURB surfaces with boundary control.}, journal = {Mathematica Pannonica}, volume = {6}, year = {1995}, pages = {217-228}, zbl = {0833.41005}, language = {en}, url = {http://dml.mathdoc.fr/item/00822761} }
Szilvási-Nagy, M. Tubular NURB surfaces with boundary control.. Mathematica Pannonica, Tome 6 (1995) pp. 217-228. http://gdmltest.u-ga.fr/item/00822761/