@article{NUMA_1980__34_132685,
     author = {K.P. Hadeler},
     title = {Effective {Computation} of {Periodic} {Orbits} and {Bifurcation} {Diagrams} in {Delay} {Equations.}},
     journal = {Numerische Mathematik},
     pages = {457--467},
     publisher = {mathdoc},
     volume = {34},
     year = {1980},
     zbl = {0419.34070},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1980__34_132685/}
}