@article{IVM_1979_11_a8,
     author = {Yu. T. Tkachenko},
     title = {Maximal sets of integers that do not contain an arithmetic progression of length~3 on $[0;3^n-1]$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {65--68},
     publisher = {mathdoc},
     number = {11},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1979_11_a8/}
}