On the necessary condition for the optimality of control in the problem of evasion in differential games B. Florkiewicz — 1983 Applicationes Mathematicae
On an integral inequality connected with Hardy's inequality (III) B. Florkiewicz; A. Rybarski — 1973 Colloquium Mathematicae
Some integral inequalities of Sturm-Liouville type B. Florkiewicz; A. Rybarski — 1976 Colloquium Mathematicae
A certain modification of Hardy's inequality B. Florkiewicz; A. Rybarski — 1972 Colloquium Mathematicae