@article{LJM_2001_9_a5,
     author = {D. Kh. Mushtari},
     title = {Some remarks on measures on orthogonal rational projections and the rational sphere},
     journal = {Lobachevskii journal of mathematics},
     pages = {47--53},
     publisher = {mathdoc},
     volume = {9},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/LJM_2001_9_a5/}
}