Direct Products of Modules Whose Endomorphism Rings have at Most Two   Maximal Ideals
  Monogeny classes and epigeny classes have proved to be useful in the study of direct sums of uniserial modules and other classes of modules. In this paper, we show that they also turn out to be useful in the study of direct products. 
Adel Alahmadi and Alberto Facchini
math.RA