Journal of Contemporary Mathematical Analysis (Armenian Academy of Sciences)
Journal of Contemporary Mathematical Analysis (Armenian Academy of Sciences) > 2007 > 42 > 4 > 219-231
Journal of Contemporary Mathematical Analysis (Armenian Academy of Sciences) > 2007 > 42 > 4 > 205-218
Journal of Contemporary Mathematical Analysis (Armenian Academy of Sciences) > 2007 > 42 > 5 > 258-269