@article{PMFA_1980_25_5_a3,
     author = {Hejn\'y, Milan},
     title = {Spiritus societatis mathematicae slovacae},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {266--272},
     year = {1980},
     volume = {25},
     number = {5},
     zbl = {0451.01013},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1980_25_5_a3/}
}