Библиография Лаврова И.А.


Downey R. G., Hirschfeldt D. R., Lempp S., Solomon R .
[2002]
Reverse mathematics of the Nielsen-Schreier theorem
Proc. Inter. Conf. “Logic and Its Appl.”, devoted to Yu.Ershov and A.I. Mal’cev, (Novosibirsk, 2002), Novosibirsk, NSU, 59-71
05.05.172
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