@MISC{POLYNOM6.MIZ,
  AUTHOR = {Dzienis, Barbara},
  TITLE = {On Polynomials with Coefficients in a Ring of Polynomials},
  SECTION1 = {Preliminaries},
  SECTION2 = {About Bags},
  SECTION3 = {Main Results},
  DAY = {10},
  MONTH = {August},
  YEAR = {2001},
  ADDRESS1 = {University of Bia{\l}ystok},
  SUMMARY = {The main result of the paper is, that
 the ring of polynomials with $o_1$ variables and coefficients
 in the ring of polynomials with $o_2$ variables and coefficient
 in a ring $L$
 is isomorphic with the ring with $o_1+o_2$ variables,
 and coefficients in $L$.}}

