@article{ MR1812979,
  author = {Rachinskiĭ, D. I.},
  title = {<br/> Equivalent combinations of supports},
  journal = {Avtomat. i Telemekh.},
  fjournal = {Rossĭı skaya Akademiya Nauk. Avtomatika i Telemekhanika},
  year = {1998},
  number = {10},
  pages = {24--34},
  issn = {0005-2310},
  mrclass = {34C55 (58C07 74C99)},
  mrnumber = {1812979 (2002b:34074)},
  mrreviewer = {O. B. Lykova}
}