@article{ZNSL_1997_244_a19,
     author = {A. V. Sudakov and V. N. Sudakov},
     title = {An orthogonalization process for spherically invariant measures},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {285--294},
     publisher = {mathdoc},
     volume = {244},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1997_244_a19/}
}