@article{DAN_1962_144_6_a6,
     author = {L. A. Khalfin},
     title = {Statistical approach to methods of approximate calculation. {Efficient} quadrature formulas},
     journal = {Doklady Akademii Nauk},
     pages = {1229--1232},
     publisher = {mathdoc},
     volume = {144},
     number = {6},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_144_6_a6/}
}