@article{TIMM_2010_16_4_a13,
     author = {M. V. Deikalova},
     title = {The integral approximation of the characteristic function of a~spherical cap by algebraic polynomials},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {144--155},
     publisher = {mathdoc},
     volume = {16},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2010_16_4_a13/}
}