论文信息 - A Problem in Partitions: Enumeration of Elements of a given Degree in the free commutative entropic cyclic Groupoid - 字舞流文

A Problem in Partitions: Enumeration of Elements of a given Degree in the free commutative entropic cyclic Groupoid

[1] Enumeration of Indices of given Altitude and Potency , 1959 .

[2] I. M. H. Etherington. XV.—On Non-Associative Combinations , 1940 .