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In: Parnasso. - ISSN 0031-2320. - 28(1988) : 4, s. 239-240
Parnasso. - ISSN 0031-2320. - 28(1988) : 4, s.239-240
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In: Parnasso. - ISSN 0031-2320. - 28(1988) : 4, s. 239-240
Parnasso. - ISSN 0031-2320. - 28(1988) : 4, s.239-240
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Formal logic.
by:
Petäjä, Jukka
In: Books from Finland. - ISSN 0006-7490. - Helsinki : Helsinki University Library. - 29 (1995) : 4, s. 266-268
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In: Books from Finland. - ISSN 0006-7490. - Helsinki : Helsinki University Library. - 29 (1995) : 4, s. 266-268
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Local heroes.
by:
Petäjä, Jukka
In: Books from Finland. - ISSN 0006-7490. - Helsinki : Helsinki University Library. - 32 (1998) : 3, s. 165-166
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In: Books from Finland. - ISSN 0006-7490. - Helsinki : Helsinki University Library. - 32 (1998) : 3, s. 165-166
Journal article