Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1981_11_Nonea_18, author = {Na{\dj}-F\"uhrer {\DJ}er{\dj}i}, title = {On the orthogonal spaces of the subspaces of a {Riemann} {\textendash} {Otsuki} space}, journal = {Novi Sad Journal of Mathematics}, pages = {201-208}, publisher = {mathdoc}, volume = {11}, year = {1981}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1981_11_Nonea_18/} }
Nađ-Führer Đerđi. On the orthogonal spaces of the subspaces of a Riemann – Otsuki space. Novi Sad Journal of Mathematics, Tome 11 (1981). http://geodesic.mathdoc.fr/item/NSJOM_1981_11_Nonea_18/