Leijenhorst, D. C. v. (1977). On designs and their automorphisms. Z.uitg..
Chicago Style (17th ed.) CitationLeijenhorst, Dirk Cornelis van. On Designs and Their Automorphisms. [S.l.]: Z.uitg., 1977.
ציטוט MLALeijenhorst, Dirk Cornelis van. On Designs and Their Automorphisms. Z.uitg., 1977.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.