ON TWIN PARADOX IN QUATERNIONIC RELATIVITY Article Yefremov A. Gravitation and Cosmology. Vol. 3. 1997. P. 200-202
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
Q-FIELD - A VARIABLE QUATERNION BASIS Article YEFREMOV A.P. IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA / Russian Physics Journal. Издательство научно-технической литературы. Vol. 28. 1985. P. 14-18
THE Q FIELD, A VARIABLE QUATERNION BASIS Article Efremov A.P. Soviet Physics Journal. Kluwer Academic Publishers-Plenum Publishers. Vol. 28. 1985. P. 961-964
QUATERNIONIC MULTIPLICATION RULE AS A LOCAL Q-METRIC Article Yefremov A.P. Lettere al Nuovo Cimento. Società Italiana di Fisica. Vol. 37. 1983. P. 315-316
EXACT VACUUM SOLUTIONS OF THE EINSTEIN EQUATIONS Article Gavrilina G.A., Efremov A.P. Soviet Physics Journal. Kluwer Academic Publishers-Plenum Publishers. Vol. 25. 1982. P. 788-790
SOME CORRECT VACUUM SOLUTIONS OF EINSTEIN EQUATIONS Article GAVRILINA G.A., EFREMOV A.P. IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA / Russian Physics Journal. Издательство научно-технической литературы. Vol. 25. 1982. P. 23-26
THE GRAVITATIONAL-FIELD OF A NEUTRON STAR Article EFREMOV A.P. IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA / Russian Physics Journal. Издательство научно-технической литературы. Vol. 25. 1982. P. 53-57
GRAVITATIONAL FIELD OF A NEUTRON STAR Article Efremov A.P. Soviet Physics Journal. Kluwer Academic Publishers-Plenum Publishers. Vol. 25. 1982. P. 51-55
MOTION OF TEST PARTICLES IN A TORSION FIELD Article Efremov A.P. Soviet Physics Journal. Kluwer Academic Publishers-Plenum Publishers. Vol. 23. 1981. P. 721-723
THE GRAVITATIONAL FIELD OF A MAGNETIC MOMENT Article Efremov A.P. Soviet Physics Journal. Kluwer Academic Publishers-Plenum Publishers. Vol. 24. 1981. P. 406-408
GRAVITATIONAL-FIELD OF A MAGNETIC-MOMENT Article EFREMOV A.P. IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA / Russian Physics Journal. Издательство научно-технической литературы. 1981. P. 26-29
CONFIGURATION OF A NEUTRON STAR WITH AXIALLY POLARIZED SPIN Article YEFREMOV A.P. Acta Physica Polonica B. Vol. 12. 1981. P. 185-188
MOTION OF A PROBE PARTICLE IN A TORSION FIELD Article EFREMOV A.P. IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA / Russian Physics Journal. Издательство научно-технической литературы. 1980. P. 84-87