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\bibitem{Ludu_etal2012} {\textquotedblleft}\textit{Vortex states in axially symmetric superconductors in applied magnetic field}{\textquotedblright}. Ludu A, Milo{\v s}evi{\'c} MV, Peeters FM, Sn -- 0378-4754 \textbf{82}, 1258 (2012).   http://doi.org/10.1016/j.matcom.2012.02.001

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