A spherical model of ferromagnet with a uniaxial anisotropuc interaction

Critical behavior of uniaxial ferromagnetics with dipolar interactions

The ferromagnetic planar model in the presence of uniaxial single-site anisotropy

An intermediate spherical model of a ferromagnet

Thermodynamic properties of ferromagnets with uniaxial and biaxial anisotropy

Crossover behaviour in uniaxial dipolar ferromagnets

The influence of external boundary conditions on the spherical model of a ferromagnet. I. Magnetization profiles