%0 Journal Article %T Concepts of a number of C. Méray, E. Heine, G. Cantor, R. Dedekind and K. Weierstrass %A Sinkevich, Galina %J Czasopismo Techniczne %V 2014 %R 10.4467/2353737XCT.14.072.2522 %N Nauki Podstawowe Zeszyt 1 NP (7) 2014 %P 211-223 %K concept of a number, Cantor, Dedekind, Méray, Heine, Weierstrass %@ 0011-4561 %D 2014 %U https://ejournals.eu/czasopismo/czasopismo-techniczne/artykul/concepts-of-a-number-of-c-meray-e-heine-g-cantor-r-dedekind-and-k-weierstrass %X The article is devoted to the evolution of concept of a number in XVIII–XIX c. Ch. Méray’s, H. Heine’s, R. Dedekind`s, G. Cantor’s and K. Weierstrass`s constructions of a number are considered. Only original sources were used.