INTERACTING SPINOR, VECTOR AND SCALAR FIELDS IN BIANCHI I COSMOLOGICAL MODEL Article Krechet V.G., Filʹchenkov M.L., Shikin G.N. Gravitation and Cosmology. Vol. 10. 2004. P. 149-152
ON ABNORMAL PROBLEMS WITH A NONCLOSED IMAGE Article Avakov E.R., Arutyunov A.V., Tammer Christiane Doklady Akademii Nauk. Vol. 399. 2004. P. 583-586