@article{MZM_1985_38_3_a2,
     author = {A. F. Sidorenko},
     title = {Proof of london's conjecture on sums of elements of positive matrices},
     journal = {Matemati\v{c}eskie zametki},
     pages = {376--377},
     publisher = {mathdoc},
     volume = {38},
     number = {3},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1985_38_3_a2/}
}