@article{105538, author = {James S. Williams}, title = {On a question of Pultr regarding categories of structures}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {015}, year = {1974}, pages = {113-126}, zbl = {0279.18003}, mrnumber = {0360738}, language = {en}, url = {http://dml.mathdoc.fr/item/105538} }
Williams, James S. On a question of Pultr regarding categories of structures. Commentationes Mathematicae Universitatis Carolinae, Tome 015 (1974) pp. 113-126. http://gdmltest.u-ga.fr/item/105538/
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