@article{01868877, title = {On integration factor of a dynamical system.}, journal = {Novi Sad Journal of Mathematics}, volume = {29}, year = {1999}, pages = {203-209}, zbl = {1075.70521}, language = {en}, url = {http://dml.mathdoc.fr/item/01868877} }
Obădeanu, V. On integration factor of a dynamical system.. Novi Sad Journal of Mathematics, Tome 29 (1999) pp. 203-209. http://gdmltest.u-ga.fr/item/01868877/