Search results
Applied Mathematics Letters > 2012 > 25 > 4 > 682-686
Applied Mathematics Letters > 2012 > 25 > 4 > 706-711
Applied Mathematics Letters > 2012 > 25 > 4 > 712-716
Applied Mathematics Letters > 2012 > 25 > 3 > 232-236
Applied Mathematics Letters > 2012 > 25 > 2 > 115-119