S. I. Adán. Algoritmičéskaá nérazréšmost' problém raspoznavaniá nékotoryh svojstv grupp (The algorithmic unsolvability of the problem of checking certain properties of groups). Doklady Akadémii Nauk SSSR, vol. 103 (1955), pp. 533–535. - S. I. Adán. Konéčnooprédélénnyé gruppy i algoritmy (Finitely generated groups and algorithms). Uspéhi matématičiskih nauk, vol. 12 no. 3 (1957), pp. 248–249.

Andrzej Ehrenfeucht

doi:10.2307/2964490

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S. I. Adán. Algoritmičéskaá nérazréšmost' problém raspoznavaniá nékotoryh svojstv grupp (The algorithmic unsolvability of the problem of checking certain properties of groups). Doklady Akadémii Nauk SSSR, vol. 103 (1955), pp. 533–535. - S. I. Adán. Konéčnooprédélénnyé gruppy i algoritmy (Finitely generated groups and algorithms). Uspéhi matématičiskih nauk, vol. 12 no. 3 (1957), pp. 248–249.

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S. I. Adán. Algoritmičéskaá nérazréšmost' problém raspoznavaniá nékotoryh svojstv grupp (The algorithmic unsolvability of the problem of checking certain properties of groups). Doklady Akadémii Nauk SSSR, vol. 103 (1955), pp. 533–535. - S. I. Adán. Konéčnooprédélénnyé gruppy i algoritmy (Finitely generated groups and algorithms). Uspéhi matématičiskih nauk, vol. 12 no. 3 (1957), pp. 248–249.

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S. I. Adán. Algoritmičéskaá nérazréšmost' problém raspoznavaniá nékotoryh svojstv grupp (The algorithmic unsolvability of the problem of checking certain properties of groups). Doklady Akadémii Nauk SSSR, vol. 103 (1955), pp. 533–535. - S. I. Adán. Konéčnooprédélénnyé gruppy i algoritmy (Finitely generated groups and algorithms). Uspéhi matématičiskih nauk, vol. 12 no. 3 (1957), pp. 248–249.

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