@MISC{VECTSP_2.MIZ,
  AUTHOR = {Muzalewski, Micha{\l}},
  TITLE = {Construction of Rings and Left-, Right-, and Bi-Modules over a Ring},
  DAY = {20},
  MONTH = {June},
  YEAR = {1990},
  ADDRESS1 = {Warsaw University\\Bia{\l}ystok},
  SUMMARY = {Definitions of some classes of rings and left-, right-,
and bi-modules over a ring and some elementary theorems on rings
and skew fields.}}

