Constantine Leo Borissoff, A. C. Shaposhnikov. Russian-sanskrit etymological sketches
Trudy IRY RAS. 2018. № 4 (18), Pages. 33 - 73

I. E. Kuznetsova. REFLECTION OF LANGUAGE UNITS VARIABILITY IN “NOMENKLATOR” BY I. KOPIEVSKY
Trudy IRY RAS. 2014. № 2 (2), Pages. 463 - 469