@article{10_4153_CMB_2009_053_8,
     author = {Chen, Yanping and Ding, Yong},
     title = {The {Parabolic} {Littlewood{\textendash}Paley} {Operator} with {Hardy} {Space} {Kernels}},
     journal = {Canadian mathematical bulletin},
     pages = {521--534},
     year = {2009},
     volume = {52},
     number = {4},
     doi = {10.4153/CMB-2009-053-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2009-053-8/}
}