%A Tellman S. G. %N 3-4 %P 290-291 %D 1962 %L acta13977 %O Bibliogr.: 291. p. %K TermĂŠszettudomĂĄny, Matematika, MĹąvelĹdĂŠs %T Images of Induced endomorphisms in Ext {H, G) %J Acta scientiarum mathematicarum %V 23