@ARTICLE{
author={Stevic Stevo,Sharma Ajay K,Bhat Ambika},
year={2011},
title={Essential norm of products of multiplication composition and differentiation operators on weighted Bergman spaces},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={218},
number={6},
pages={2386-2397},
document_type={Article},
} 

@ARTICLE{
author={Stevic Stevo,Sharma Ajay K,Bhat Ambika},
year={2011},
title={Products of multiplication composition and differentiation operators on weighted Bergman spaces},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={217},
number={20},
pages={8115-8125},
document_type={Article},
}