"Ichiro;Murase|Hisao;Tominaga|","On powers of artinian rings without identity","Mathematical Journal of Okayama University","0030-1566","1978-10","20","2","131","140","","","","https://ousar.lib.okayama-u.ac.jp/33964","" "Atsushi;Nakajima|","The monoid structure of Galois H-dimodule algebras induced by the smash product","Mathematical Journal of Okayama University","0030-1566","1978-10","20","2","165","177","","","","https://ousar.lib.okayama-u.ac.jp/33963","" "Mamoru;Kutami|Kiyoichi;Oshiro|","Direct sums of nonsingular indecomposable injective modules","Mathematical Journal of Okayama University","0030-1566","1978-10","20","2","91","99","","","","https://ousar.lib.okayama-u.ac.jp/33962","" "Roger;Yue Chi Ming|","On generalizations of V-rings and regular rings","Mathematical Journal of Okayama University","0030-1566","1978-10","20","2","123","129","","","","https://ousar.lib.okayama-u.ac.jp/33961","" "John D.;O'neill|","Covers of abelian groups","Mathematical Journal of Okayama University","0030-1566","1978-10","20","2","115","121","","","","https://ousar.lib.okayama-u.ac.jp/33960","" "Kazuo;Kishimoto|Isao;Mogami|","Commutativity of certain rings","Mathematical Journal of Okayama University","0030-1566","1978-10","20","2","179","181","","","","https://ousar.lib.okayama-u.ac.jp/33959","" "Shigeru;Kanemitus|","On some sums involving farey fractions","Mathematical Journal of Okayama University","0030-1566","1978-10","20","2","101","113","","","","https://ousar.lib.okayama-u.ac.jp/33958","" "Masataka;Yorinaga|","Numerical computation of Carmichael numbers","Mathematical Journal of Okayama University","0030-1566","1978-10","20","2","151","163","","","","https://ousar.lib.okayama-u.ac.jp/33957","" "Yasuyuki;Hirano|","Some studies on strongly π-regular rings","Mathematical Journal of Okayama University","0030-1566","1978-10","20","2","141","149","","","","https://ousar.lib.okayama-u.ac.jp/33956",""