@article{AUM_2017_71_2_a6,
     author = {Budzy\'nska, Monika and Grzesik, Aleksandra and Kot, Mariola},
     title = {The generalized {Day} norm. {Part} {I.} {Properties}},
     journal = {Annales Universitatis Mariae Curie-Sk{\l}odowska. Mathematica },
     publisher = {mathdoc},
     volume = {71},
     number = {2},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUM_2017_71_2_a6/}
}