%A Dhage Bapurao C. %N 6 %P 1-9 %D 2002 %L acta41984 %O Bibliogr.: 9. p. %K Fixpont tĂŠtel, funkcionĂĄlis integrĂĄl egyenletek %T On a fixed point theorem of Krasnoselsii-Schaeffer type