02H25
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Luxemburg, W. A. J.:
Neštandardné číselné systémy a odovodnenie Leibnizovho infinitezimálneho počtu.
(Slovak) [Nonstandard numeral systems and the justification of Leibniz's infinitesimal calculus].
Pokroky matematiky, fyziky a astronomie,
vol. 22
(1977),
issue 6,
pp. 316-325
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Čuda, Karel:
A nonstandard set theory.
(English).
Commentationes Mathematicae Universitatis Carolinae,
vol. 17
(1976),
issue 4,
pp. 647-663
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Mlček, Josef:
Twin prime problem in an arithmetic without induction.
(English).
Commentationes Mathematicae Universitatis Carolinae,
vol. 17
(1976),
issue 3,
pp. 543-555
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