@article{Kochurova2016development,
author={Kochurova, E.E.},
title={Development of Ideas of Math Education of Younger Schoolchildren in Soviet School in 30-50-ies of the XX Century},
journal={Primary Education},
publisher={INFRA-M Academic Publishing LLC.},
year={2016},
pages={42-45},
volume={4},
issue={3},
}