Journal of Contemporary Physics (Armenian Academy of Sciences)
Journal of Contemporary Physics (Armenian Academy of Sciences) > 2019 > 54 > 1 > 97-104
Journal of Contemporary Physics (Armenian Academy of Sciences) > 2019 > 54 > 1 > 105-109
Journal of Contemporary Physics (Armenian Academy of Sciences) > 2019 > 54 > 1 > 97-104
Journal of Contemporary Physics (Armenian Academy of Sciences) > 2019 > 54 > 1 > 105-109