TransliterationCvajgert K., Ketc H. Vvedenie v sravnitelnoe pravovedenie v sfere chastnogo prava: V 2-h tomah. Tom I. Osnovy Tom II. Dogovor. Neosnovatelnoe obogashhenie. Delikt. In Russian
In EnglishCvajgert K., Ketc X. Introduction in comparative jurisprudence in field private law: in 2-x volumes. Volume I. of Volume II. Treaty. Neosnovatelnoe enrichment. Delikt. In Russian, n/a
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