@article{10_4064_cm_80_1_123_130,
     author = {H. Kasana and P. Agrawal},
     title = {Approximation by linear combination of {Sz\'asz-Mirakian} operators},
     journal = {Colloquium Mathematicum},
     pages = {123--130},
     publisher = {mathdoc},
     volume = {80},
     number = {1},
     year = {1999},
     doi = {10.4064/cm-80-1-123-130},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-80-1-123-130/}
}