Expressing rationals as a sum of a small number of unit fractions

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Expressing rationals as a sum of a small number of unit fractions. (English). Časopis pro pěstování matematiky, vol. 105 (1980), issue 4, pp. 345-349

References:

[1] G. H. Hardy, E. M. Wright: An Introduction to the Theorу of Numbers. London, (1960).

[2] W. Sierpiński: Sur les décompositions de nombгes rationnels in fractions pгimaires. Мathesis 65, (1956), 16-32. MR 0078385

[3] B. M. Steward, W. A. Webb: Sums of fractions with bounded numerators. Can. J. Math. 18, (1966), 999-10003. MR 0199148

[4] W. A. Webb: On the diophantine equation k/n = a1/x1 + a2/x2 + a3/x3. Časopis Pěst. Mat., 101, (1976), 360-365. MR 0444564

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