Петрищев, О. М., et al. “Matematichna Model Is the Method Viznachennya Tensor constants’ll feromagnіtnih polіkristalіchnih materіalіv”. Problems of Informatization and Control, vol. 3, no. 31, Sept. 2010, pp. 109-21, doi:10.18372/2073-4751.3.6445.