@article{MASLO_1979__29_1_a1,
     author = {Haviar, Alfonz},
     title = {On $G$-lattices},
     journal = {Mathematica slovaca},
     pages = {17--24},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {1979},
     mrnumber = {561772},
     zbl = {0407.06003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1979__29_1_a1/}
}