@article{10_21136_AM_1992_104490,
     author = {Dvure\v{c}enskij, Anatolij and Tirp\'akov\'a, Anna},
     title = {Sum of observables in fuzzy quantum spaces},
     journal = {Applications of Mathematics},
     pages = {40--50},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1992},
     doi = {10.21136/AM.1992.104490},
     mrnumber = {1152156},
     zbl = {0753.60005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1992.104490/}
}