From the notes in Russian grammar.1. Introduction

Pottnyja, Alexander Afanasyevich (1835-1891).From the notes in Russian grammar / Sost.A. Pottnya.I-II.- Voronezh: Type.N.D.Goldstein, 1874. -2 t .;24. -.Electronic Source: PB1. Introduction.- 1874. - [4], 157 s .. -Rent.From "Philol. Zap."..Electronic Source: PB