@article{RM_1966_21_5_a23,
     author = {A. F. Lapko},
     title = {Twenty-fifth {Scientific} and {Technical} {Conference} of {Kuibyshev} {Moscow} {Engineering} {Building} {Institute}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {21},
     number = {5},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1966_21_5_a23/}
}