@article{10_4064_sm_83_2_97_104,
     author = {K. Urbanik},
     title = {Generalized convolutions {IV}},
     journal = {Studia Mathematica},
     pages = {97--104},
     publisher = {mathdoc},
     volume = {83},
     number = {2},
     year = {1986},
     doi = {10.4064/sm-83-2-97-104},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-83-2-97-104/}
}