@article{DM_1991_3_3_a5,
     author = {A. F. Sidorenko},
     title = {Inequalities for functionals generated by bipartite graphs},
     journal = {Diskretnaya Matematika},
     pages = {50--65},
     publisher = {mathdoc},
     volume = {3},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1991_3_3_a5/}
}