Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1975_5_Nonea_3, author = {Had\v{z}i\'c Olga}, title = {On the {Chi} {Song} {Wong's} class {U(X)} in locally convex spaces}, journal = {Novi Sad Journal of Mathematics}, pages = {19-21}, publisher = {mathdoc}, volume = {5}, year = {1975}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1975_5_Nonea_3/} }
Hadžić Olga. On the Chi Song Wong's class U(X) in locally convex spaces. Novi Sad Journal of Mathematics, Tome 5 (1975). http://geodesic.mathdoc.fr/item/NSJOM_1975_5_Nonea_3/