Volume 12 [103 articles]

• Quasi-projective modules and the finite exchange property, Gary F. Birkenmeier
  Volume 12 (1989), Issue 4, Pages 821-822
• Supersets for the spectrum of elements in extended Banach algebras, Morteza Seddighin
  Volume 12 (1989), Issue 4, Pages 823-824
• Failure of random networks, Wansoo T. Rhee
  Volume 12 (1989), Issue 4, Pages 825-827