@article{IVM_1990_9_a9,
     author = {A. Kh. Khakimov},
     title = {A~model case of the generalized {Christoffel} problem in a~three-dimensional {Euclidean} space},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {70--74},
     publisher = {mathdoc},
     number = {9},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1990_9_a9/}
}