Journal of Contemporary Physics (Armenian Academy of Sciences)
Journal of Contemporary Physics (Armenian Academy of Sciences) > 2012 > 47 > 3 > 99-104
Journal of Contemporary Physics (Armenian Academy of Sciences) > 2012 > 47 > 3 > 128-132
Journal of Contemporary Physics (Armenian Academy of Sciences) > 2012 > 47 > 3 > 99-104
Journal of Contemporary Physics (Armenian Academy of Sciences) > 2012 > 47 > 3 > 128-132