Geodesic
A Reliable Argument Principle Algorithm to Find the Number of Zeros of an Analytic Function in a Bounded Domain.
Numerische Mathematik, Tome 53 (1988) no. 1-2, pp. 143-164.

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Mots-clés : argument principle, number of zeros of an analytic function, reliable algorithm, numerical examples, discretization control, global information, nonlinear equation solver, solver for all roots 
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     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/}
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Xingren Ying; I. Norman Katz. A Reliable Argument Principle Algorithm to Find the Number of Zeros of an Analytic Function in a Bounded Domain.. Numerische Mathematik, Tome 53 (1988) no. 1-2, pp. 143-164. http://geodesic.mathdoc.fr/item/NUMA_1988__53_1-2_133269/