Nonlinear properties of ferromagnetic La1-xCaxMnO3 single crystalsV. Markovich, Y. Yuzhelevski, G. Gorodetsky, G. Jung, C. J. van der Beek and Ya. M. MukovskiiEur. Phys. J. B, 35 3 (2003) 295-300DOI: https://doi.org/10.1140/epjb/e2003-00280-6