@article{10_21136_AM_1991_104442,
     author = {Chovanec, Ferdinand and K\^opka, Franti\v{s}ek},
     title = {Fuzzy equality and convergences for $F$-observables in $F$-quantum spaces},
     journal = {Applications of Mathematics},
     pages = {32--45},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1991},
     doi = {10.21136/AM.1991.104442},
     mrnumber = {1093481},
     zbl = {0732.28010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1991.104442/}
}