Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_2011_25_1-2_a4, author = {V. Valov}, title = {External {Characterization} of {I-Favorable} {Spaces}}, journal = {Mathematica balkanica}, pages = {61}, publisher = {mathdoc}, volume = {25}, number = {1-2}, year = {2011}, url = {http://geodesic.mathdoc.fr/item/MABA_2011_25_1-2_a4/} }
V. Valov. External Characterization of I-Favorable Spaces. Mathematica balkanica, Tome 25 (2011) no. 1-2, p. 61. http://geodesic.mathdoc.fr/item/MABA_2011_25_1-2_a4/