@article{IVM_1972_4_a1,
     author = {D. L. Berman},
     title = {A~monotonicity principle in the theory of the interpolation of a~function of a~real variable},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {10--17},
     publisher = {mathdoc},
     number = {4},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1972_4_a1/}
}