@article{SLC_2005-2007_54A_a0,
     author = {Sylvie Corteel and Sunyoung Lee and Carla D. Savage},
     title = {Enumeration of {Sequences} {Constrained} by the {Ratio} of {Consecutive} {Parts}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {54A},
     year = {2005-2007},
     url = {http://geodesic.mathdoc.fr/item/SLC_2005-2007_54A_a0/}
}