@article{IVM_1977_12_a15,
     author = {V. P. Tanana},
     title = {The realization of the method of quasisolutions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {108--113},
     publisher = {mathdoc},
     number = {12},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_12_a15/}
}