@article{10_4064_sm179_2_5,
     author = {Erin Terwilleger},
     title = {Boundedness for a bilinear
model sum operator on $\mathbb R^n$},
     journal = {Studia Mathematica},
     pages = {185--197},
     year = {2007},
     volume = {179},
     number = {2},
     doi = {10.4064/sm179-2-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm179-2-5/}
}