@misc{RVSUM_4.MIZ,
  AUTHOR = {Ziobro, Rafa{\l}},
  TITLE = {Concatenation of Finite Sequences},
  ADDRESS1 = {Department of Carbohydrate Technology,
    University of Agriculture in Krakow},
  DAY = {27},
  MONTH = {February},
  YEAR = {2019},
  SECTION1 = {Preliminaries},
  SECTION2 = {Complex-Valued Sequences},
  SECTION3 = {On Product and Sum of Complex Sequences},
  SECTION4 = {XFinSequences},
  SECTION5 = {Product of XFinSequences},
  SECTION6 = {Sum of XFinSequences},
  SUMMARY = {}}

