@article{10_4064_cm118_2_13,
     author = {Pawe{\l}  G{\l}owacki},
     title = {Composition and $L^2$-boundedness of flag kernels},
     journal = {Colloquium Mathematicum},
     pages = {581--585},
     publisher = {mathdoc},
     volume = {118},
     number = {2},
     year = {2010},
     doi = {10.4064/cm118-2-13},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm118-2-13/}
}