@article{IM2_1998_62_5_a7,
     author = {T. P. Lukashenko},
     title = {Properties of expansion systems similar to orthogonal ones},
     journal = {Izvestiya. Mathematics },
     pages = {1035--1054},
     publisher = {mathdoc},
     volume = {62},
     number = {5},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1998_62_5_a7/}
}