Nucleation of superconductivity in mesoscopic star-shaped superconductorsD. A. Dikin, V. Chandrasekhar, V. R. Misko, V. M. Fomin and J. T. DevreeseEur. Phys. J. B, 34 2 (2003) 231-235DOI: https://doi.org/10.1140/epjb/e2003-00216-2