@article{10_4064_ap170523_20_11,
     author = {Nikolitsa Chatzigiannakidou},
     title = {Approximation properties of doubly overconvergent power series},
     journal = {Annales Polonici Mathematici},
     pages = {197--207},
     publisher = {mathdoc},
     volume = {120},
     number = {3},
     year = {2017},
     doi = {10.4064/ap170523-20-11},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap170523-20-11/}
}