@article{NUMA_1965__7_131658,
     author = {J.A. COCHRAN},
     title = {The {Zeros} of {Hankel} {Functions} as {Functions} of {Their} {Order.}},
     journal = {Numerische Mathematik},
     pages = {238--250},
     publisher = {mathdoc},
     volume = {7},
     year = {1965},
     zbl = {0145.07503},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1965__7_131658/}
}