@article{1183391477, author = {Robinson, Raphael M.}, title = {Finite Sequences of Classes}, journal = {J. Symbolic Logic}, volume = {10}, number = {1}, year = {1945}, pages = { 125-126}, language = {en}, url = {http://dml.mathdoc.fr/item/1183391477} }
Robinson, Raphael M. Finite Sequences of Classes. J. Symbolic Logic, Tome 10 (1945) no. 1, pp. 125-126. http://gdmltest.u-ga.fr/item/1183391477/