Sboev nd

Sboev, V. A. n.d. Zametki o chuvashah (Notes on the Chuvash).

@misc{sboevnd,
  author = {Sboev, V. A.},
  key    = {Sboev (nd)},
  title  = {Zametki o chuvashah (Notes on the Chuvash)}
}