Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1994__44_2_a1, author = {Rie\v{c}an, Beloslav}, title = {Representation of observables in quantum mechanical models}, journal = {Mathematica slovaca}, pages = {--129}, publisher = {mathdoc}, volume = {44}, number = {2}, year = {1994}, mrnumber = {1282528}, zbl = {0802.03041}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1994__44_2_a1/} }
Riečan, Beloslav. Representation of observables in quantum mechanical models. Mathematica slovaca, Tome 44 (1994) no. 2, p. 129. http://geodesic.mathdoc.fr/item/MASLO_1994__44_2_a1/