[1]
O. N. Filippova, “The creative work of Grigory Gurkin and Vasily Sheshunov as students of Ivan Shishkin: УДК 7.03(75+76)”, ИЕ, no. 3 (18), pp. 91–104, Sep. 2020, doi: 10.46748/ARTEURAS.2020.03.008.