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@article{MZM_1967_1_1_a10, author = {Al. A. Markov}, title = {Example of an independent system of words which cannot be included in a finite complete system}, journal = {Matemati\v{c}eskie zametki}, pages = {87--90}, publisher = {mathdoc}, volume = {1}, number = {1}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1967_1_1_a10/} }
Al. A. Markov. Example of an independent system of words which cannot be included in a finite complete system. Matematičeskie zametki, Tome 1 (1967) no. 1, pp. 87-90. http://geodesic.mathdoc.fr/item/MZM_1967_1_1_a10/