@article{MASLO_1995_45_1_a0,
     author = {\v{S}lapal, Josef},
     title = {A note on general relations},
     journal = {Mathematica slovaca},
     pages = {1--8},
     year = {1995},
     volume = {45},
     number = {1},
     mrnumber = {1335834},
     zbl = {0839.04002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1995_45_1_a0/}
}