@article{1250127381,
author = {Delzell, Charles N.},
title = {Piecewise-rational retractions onto closed, convex-semialgebraic sets with interior},
journal = {Rocky Mountain J. Math.},
volume = {14},
number = {4},
year = {1984},
pages = { 941-944},
language = {en},
url = {http://dml.mathdoc.fr/item/1250127381}
}
Delzell, Charles N. Piecewise-rational retractions onto closed, convex-semialgebraic sets with interior. Rocky Mountain J. Math., Tome 14 (1984) no. 4, pp. 941-944. http://gdmltest.u-ga.fr/item/1250127381/