@article{TRSPY_2014_284_a15,
     author = {Winfried Sickel and Leszek Skrzypczak},
     title = {Subradial functions and compact embeddings},
     journal = {Informatics and Automation},
     pages = {224--242},
     publisher = {mathdoc},
     volume = {284},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2014_284_a15/}
}