Arnold, V. I. (1991). The theory of singularities and its applications. PISA: Accademia Nazionale dei Lincei.
Chicago-стиль цитированияArnold, V. I. The Theory of Singularities and Its Applications. PISA: Accademia Nazionale dei Lincei, 1991.
MLA-цитированиеArnold, V. I. The Theory of Singularities and Its Applications. PISA: Accademia Nazionale dei Lincei, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.