@article{ARM_1972_8_1_a1,
     author = {Lihov\'a, Judita},
     title = {About the first and the second constellations belonging to the topology $u$},
     journal = {Archivum mathematicum},
     pages = {17--33},
     year = {1972},
     volume = {8},
     number = {1},
     mrnumber = {0317260},
     zbl = {0265.54003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1972_8_1_a1/}
}