@article{10_4064_ap_33_2_311_318,
     author = {D. Przeworska-Rolewicz},
     title = {Admissible initial operators for superpositions of right invertible operators},
     journal = {Annales Polonici Mathematici},
     pages = {311--318},
     year = {1976},
     volume = {33},
     number = {2},
     doi = {10.4064/ap-33-2-311-318},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-33-2-311-318/}
}