@article{NUMA_1960__2_131465,
     author = {E.W. DIJKSTRA},
     title = {Recursive {Programming.}},
     journal = {Numerische Mathematik},
     pages = {312--318},
     year = {1960},
     volume = {2},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1960__2_131465/}
}