Extensions of the Heisenberg-Weyl inequality. Heinig, H.P.; Smith, M. — 1986 International Journal of Mathematics and Mathematical Sciences
Weighted exponential inequalities. Heinig, H.P.; Kerman, R.; Krbec, M. — 2001 Georgian Mathematical Journal
Weighted modular inequalities for monotone functions. Drábek, P.; Heinig, H.P.; Kufner, A. — 1997 Journal of Inequalities and Applications [electronic only]