TY - JOUR AU - Dennis E. Davenport AU - Louis W. Shapiro AU - Leon C. Woodson TI - The double Riordan group JO - The electronic journal of combinatorics PY - 2011 VL - 18 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.37236/2034/ DO - 10.37236/2034 ID - 10_37236_2034 ER -