@article{ZVMMF_1980_20_1_a20,
     author = {Yu. M. Girshovich},
     title = {The norm of the error functional of a quadrature formula of the {Gregory} type},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {230--235},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1980_20_1_a20/}
}