International Journal on Minority and Group Rights. Том 10. 2003. С. 203-220
An embedding inequality of Sobolev type is characterized in the paper with help of a duality principle and boundedness criteria for the Hardy-Steklov integral operator in weighted Lebesgue spaces. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.