Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1987_17_1a_5, author = {Taka\v{c}i {\DJ}ur{\dj}ica}, title = {On the form of the approximate solution of a partial differential equation}, journal = {Novi Sad Journal of Mathematics}, pages = {93-106}, publisher = {mathdoc}, volume = {17}, number = {1}, year = {1987}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1987_17_1a_5/} }
Takači Đurđica. On the form of the approximate solution of a partial differential equation. Novi Sad Journal of Mathematics, Tome 17 (1987) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_1987_17_1a_5/