@article{1178243479,
author = {Hoischen, Lothar},
title = {An extension of an approximation problem proposed by K, It\^o},
journal = {Tohoku Math. J. (2)},
volume = {18},
number = {4},
year = {1966},
pages = { 50-53},
language = {en},
url = {http://dml.mathdoc.fr/item/1178243479}
}
Hoischen, Lothar. An extension of an approximation problem proposed by K, Itô. Tohoku Math. J. (2), Tome 18 (1966) no. 4, pp. 50-53. http://gdmltest.u-ga.fr/item/1178243479/