Differences between values of a quadratic form. Schinzel, A. — 1992 Acta Mathematica Universitatis Comenianae. New Series
Triples of Positive Integers with the same Sum and the same Product Schinzel, A. — 1996 Serdica Mathematical Journal It is proved that for every k there exist k triples of positive integers with the same sum and the same product.
Primitive divisors of the expression An - Bn in algebraic number fields. A. Schinzel — 1974 Journal für die reine und angewandte Mathematik
Addendum to the paper:"On two theorems of Gelfond and some of their applications" (Acta Arith. 13 (1967), pp. 177-236) A. Schinzel — 1990 Acta Arithmetica
Correction a la communication "Solution d'un problème de K. Zarankiewicz..." A. Schinzel — 1964 Colloquium Mathematicae
Hasse's principle for systems of ternary quadratic forms and for one biquadratic form A. Schinzel — 1983 Studia Mathematica
On the number of irreducible factors of a polynomial II A. Schinzel — 1983 Annales Polonici Mathematici