@article{10_4064_sm_25_3_343_351,
     author = {M. Reichaw},
     title = {On the convergence of superpositions of a sequence of operators},
     journal = {Studia Mathematica},
     pages = {343--351},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {1964},
     doi = {10.4064/sm-25-3-343-351},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-25-3-343-351/}
}