@article{IVM_1980_4_a12,
     author = {R. Kh. Sadikova},
     title = {A general class of inequalities containing the {Steffensen} inequality and its generalization},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {79--80},
     publisher = {mathdoc},
     number = {4},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1980_4_a12/}
}