A counterexample to the L² estimate //Xyu//...C(//X...u// + //Y...u// + //u//). Jaroslaw Wróblewski — 1996 Mathematische Annalen
Canonical differential structures of regular covectors Jarosław Wróblewski — 1988 Colloquium Mathematicae
A symmetric diophantine system concerning fifth powers Ajai Choudhry; Jarosław Wróblewski — 2012 Acta Arithmetica