@article{IVM_1974_3_a11,
     author = {T. O. Shaposhnikova},
     title = {A~certain modification of the method of intermediate problems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {89--92},
     publisher = {mathdoc},
     number = {3},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1974_3_a11/}
}