TransliterationNovgorodskoe izdanie Russkaya starina v rodnoy poezii. Romanovich P.P.

Arbuzov V., Minin A.i dr Sistematicheskiy sbornik arifmeticheskikh zadach dlya gimnaziy i progimnaziy, muzhskikh i zhenskikh, realnykh, uezdnykh i gorodskikh uchilishch, uchitelskikh institutov i seminariy./Arbuzov V., Minin A. et al. Systematic compilation of arithmetic tasks for gymnasiums and pro-gymnasiums, male and female, real, county and city schools, teacher institutes and seminaries. In Russian