Kolman, A. - Bernard Bolzano. Mit einem Anhang (Bernard Bolzano): Rein analytischer Beweis des Lehrsatzes daß zwischen je zwei Werten, die entgegengesetztes Resultat gewähren, wenigstens eine reelle Wurzel der Gleichung liege.

Berlin, Akademie-Verlag, 1963, halfcloth, 8vo, vii+244 pp., Biographie, Philosophie, Mathematik; VG condition. . .

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