@article{1250125953,
author = {Gierz, Gerhard and Shektman, Boris},
title = {On duality in rational approximation},
journal = {Rocky Mountain J. Math.},
volume = {19},
number = {4},
year = {1989},
pages = { 137-144},
language = {en},
url = {http://dml.mathdoc.fr/item/1250125953}
}
Gierz, Gerhard; Shektman, Boris. On duality in rational approximation. Rocky Mountain J. Math., Tome 19 (1989) no. 4, pp. 137-144. http://gdmltest.u-ga.fr/item/1250125953/