@article{05703599,
title = {Various representations for the system of hyperbolic equations with singular coefficients.},
journal = {Acta Universitatis Apulensis. Mathematics - Informatics},
volume = {18},
year = {2009},
pages = {15-30},
zbl = {1212.35089},
language = {en},
url = {http://dml.mathdoc.fr/item/05703599}
}
Nasim, Adib Adel. Various representations for the system of hyperbolic equations with singular coefficients.. Acta Universitatis Apulensis. Mathematics - Informatics, Tome 18 (2009) pp. 15-30. http://gdmltest.u-ga.fr/item/05703599/