@article{10_4064_sm172_1_5,
     author = {Guangbin Ren and Uwe K\"ahler},
     title = {Almansi decompositions for polyharmonic, polyheat,
 and polywave functions},
     journal = {Studia Mathematica},
     pages = {91--100},
     year = {2006},
     volume = {172},
     number = {1},
     doi = {10.4064/sm172-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm172-1-5/}
}