@article{DAN_1995_344_6_a5,
     author = {M. A. Sychev},
     title = {Conditions on the integrand that are necessary and sufficient for},
     journal = {Doklady Akademii Nauk},
     pages = {749--752},
     publisher = {mathdoc},
     volume = {344},
     number = {6},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_344_6_a5/}
}