Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1988_18_1a_13, author = {Nikodim Kazimierz}, title = {Additive selections of additive set-valued functions}, journal = {Novi Sad Journal of Mathematics}, pages = {143-148}, publisher = {mathdoc}, volume = {18}, number = {1}, year = {1988}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1988_18_1a_13/} }
Nikodim Kazimierz. Additive selections of additive set-valued functions. Novi Sad Journal of Mathematics, Tome 18 (1988) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_1988_18_1a_13/