@article{04132633,
title = {On first-order differential operators with Bohr-Neugebauer type property.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {12},
year = {1989},
pages = {473-476},
doi = {10.1155/S0161171289000608},
zbl = {0692.34063},
language = {en},
url = {http://dml.mathdoc.fr/item/04132633}
}
Rao, Aribindi Satyanarayan. On first-order differential operators with Bohr-Neugebauer type property.. International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 473-476. doi : 10.1155/S0161171289000608. http://gdmltest.u-ga.fr/item/04132633/