[1]И. В. Мальцев, "Безличные предложения в аспекте преподавания РКИ", PMI, т. 193, с. 243, сен. 2011.

[1]I. V. Maltsev, "Impersonal Sentences in the Aspect of Teaching the Russian Language As a Foreign One", PMI, vol. 193, p. 243, Sep. 2011.