Resolution of a linear and a nonlinear inverse problem in magnetostatics S. Bégot, E. Artioukhine, P. Hiebel and J. M. Kauffmann Eur. Phys. J. AP, 19 2 (2002) 141-150 Published online: 24 July 2002 DOI: 10.1051/epjap:2002060