NONLINEAR SPINOR FIELD EQUATIONS IN GRAVITATIONAL THEORY: PLANE-SYMMETRIC SOLITON-LIKE SOLUTIONS Article Adomou A., Shikin G.N. Gravitation and Cosmology. Vol. 4. 1998. P. 107-113
ON TWIN PARADOX IN QUATERNIONIC RELATIVITY Article Yefremov A. Gravitation and Cosmology. Vol. 3. 1997. P. 200-202
ELECTROSTATICS AND MAGNETOSTATICS IN GENERAL RELATIVITY Article Gutsunaev Ts.I., Ponomarev D.A. Gravitation and Cosmology. Vol. 3. 1997. P. 328-331
QUATERNIONIC RELATIVITY. I. INERTIAL MOTION Article Yefremov A.P. Gravitation and Cosmology. Vol. 2. 1996. P. 77-83
QUATERNIONIC RELATIVITY. II. NON-INERTIAL MOTIONS Article Yefremov A.P. Gravitation and Cosmology. Vol. 2. 1996. P. 335-341