@article{10_4064_sm165_3_7,
     author = {Sch\^oichi \^Ota and Franciszek Hugon Szafraniec},
     title = {Notes on $q$-deformed operators},
     journal = {Studia Mathematica},
     pages = {295--301},
     publisher = {mathdoc},
     volume = {165},
     number = {3},
     year = {2004},
     doi = {10.4064/sm165-3-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm165-3-7/}
}