@article{CMUC_1992_33_3_a18,
     author = {Turza\'nski, Marian},
     title = {Strong sequences, binary families and {Esenin-Volpin's} theorem},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {563--569},
     year = {1992},
     volume = {33},
     number = {3},
     mrnumber = {1209298},
     zbl = {0796.54031},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1992_33_3_a18/}
}