ISBN-13: 9783540578710 / Angielski / Miękka / 1994 / 514 str.
ISBN-13: 9783540578710 / Angielski / Miękka / 1994 / 514 str.
Part of a two-volume collection of unsolved analytical problems, each containing not only a statement of the specific problem but also historical and methodological comments, conjectures and discussion of possible connections and plausible approaches to the solution.