by Sergienko J.P., Antonenko S.A., Lavrent'ev A.N.
Published in Pedagogika, psikhologii͡a︡ i medico-biologicheskie problemy fizicheskogo vospitanii͡a︡ i sporta (01.02.2011)

by Antonenko, S.A., Sokolov, A.I., Varnashev, K.B.
Published in Physics letters. A (20.11.1995)

by Shalaev, B.N., Antonenko, S.A., Sokolov, A.I.
Published in Physics letters. A (01.06.1997)