Vowels without stress in Russian / [Op.] V. Bogoroditsky. - [Warsaw]: type. M. Zemkevich and V. Noakovski, the qualification. 1880. - 16 p. ; 24. - Ott. from the "Russian Philological." - Without tit. l. and obl.
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1. Russian language (collection). 2. Russian language - Vowel sounds. 3. Russian language - Phonology.
ББК 81.411.2-1
Electronic copy source: PB Location on the original: ГПИБ