@book{grishin1995,
  address = {Kazan'},
  author  = {Grishin, Ja. Ja.},
  key     = {Grishin (1995)},
  title   = {Pol'sko-litovskie tatary (Nasledniki Zolotoj Ordy) (The Polish-Lithuanian Tatar. Heirs to the Golden Horde)},
  year    = {1995}
}