derivational model
Svetlana A. Burlak. A history of the suffix -(r)ast: morphophonology in conversational speech
RJANO. 2024. № 1 (47), Pages. 166 - 182
Niyaz I. Kireyev, Polina V. Padalka. On the origin and usage of odinarnyj, binarnyj and similar adjectives
RJANO. 2023. № 1 (45), Pages. 9 - 31