@article{10_37236_1368,
     author = {Heinrich Niederhausen},
     title = {Lattice paths between diagonal boundaries},
     journal = {The electronic journal of combinatorics},
     year = {1998},
     volume = {5},
     doi = {10.37236/1368},
     zbl = {0909.05004},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1368/}
}