@article{DAN_1976_227_1_a2,
     author = {B. N. Delone and N. P. Dolbilin and M. I. Shtogrin and R. V. Galiulin},
     title = {A local criterion for regularity of a system of points},
     journal = {Doklady Akademii Nauk},
     pages = {19--21},
     publisher = {mathdoc},
     volume = {227},
     number = {1},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_227_1_a2/}
}