Dennis Davenport, Louis W. Shapiro, Leon C. Woodson. The Double Riordan Group. Electr. J. Comb., 18(2):33, 2011. [doi]
@article{DavenportSW11,
title = {The Double Riordan Group},
author = {Dennis Davenport and Louis W. Shapiro and Leon C. Woodson},
year = {2011},
url = {http://www.combinatorics.org/ojs/index.php/eljc/article/view/v18i2p33},
researchr = {https://researchr.org/publication/DavenportSW11},
cites = {0},
citedby = {0},
journal = {Electr. J. Comb.},
volume = {18},
number = {2},
pages = {33},
}