Não informado. (1967). Journal of Differential Geometry. American Mathematical Society.
Chicagoスタイル(17版)引用形式Não informado. Journal of Differential Geometry. Bethlehem, Pa: American Mathematical Society, 1967.
MLA(8版)引用形式Não informado. Journal of Differential Geometry. American Mathematical Society, 1967.
警告: この引用は必ずしも正確ではありません.