Для цитирования:

CONTENTS 2017. Образование и наука. 2017;19(10):198-203. https://doi.org/10.17853/1994-5639-2017-10-198-203

For citation:

CONTENTS 2017 (eng). The Education and science journal. 2017;19(10):198-203. (In Russ.) https://doi.org/10.17853/1994-5639-2017-10-198-203