@article{04148882,
title = {Operational calculus and differential equations with infinitely smooth coefficients.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {13},
year = {1990},
pages = {405-410},
doi = {10.1155/S0161171290000618},
zbl = {0701.44006},
language = {en},
url = {http://dml.mathdoc.fr/item/04148882}
}
Nemzer, Dennis. Operational calculus and differential equations with infinitely smooth coefficients.. International Journal of Mathematics and Mathematical Sciences, Tome 13 (1990) pp. 405-410. doi : 10.1155/S0161171290000618. http://gdmltest.u-ga.fr/item/04148882/