Kupitz, Y. S. (1979). Extremal problems in combinatorial geometry. Matematisk Institut, Aarhus Universitet.
Chicagoスタイル(17版)引用形式Kupitz, Yakov Shimeon. Extremal Problems in Combinatorial Geometry. Aarhus: Matematisk Institut, Aarhus Universitet, 1979.
MLA(8版)引用形式Kupitz, Yakov Shimeon. Extremal Problems in Combinatorial Geometry. Matematisk Institut, Aarhus Universitet, 1979.
警告: この引用は必ずしも正確ではありません.