@article{NUMA_1988__53_1-2_133269,
     author = {Xingren Ying and I. Norman Katz},
     title = {A {Reliable} {Argument} {Principle} {Algorithm} to {Find} the {Number} of {Zeros} of an {Analytic} {Function} in a {Bounded} {Domain.}},
     journal = {Numerische Mathematik},
     pages = {143--164},
     publisher = {mathdoc},
     volume = {53},
     number = {1-2},
     year = {1988},
     zbl = {0628.65015},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1988__53_1-2_133269/}
}