Integral operators in spaces of summable functions / M. A. Krasnoselskii ... [et al.] ; translated by T. AndoPositive solutions of operator equations / [by] M.A. Krasnosel'skii ; transl. from the Russian by Richard E. Flaherty ; ed. by Leo F. BoronConvex functions and Orlicz spaces / [by] M.A. Krasnoselʹskii and Ya.B. Rutickij ; translated from the Russian by Leo F. Boron