@article{AIHPD_2018__5_4_467_0,
     author = {Hudson, Robin L. and Pei, Yuchen},
     title = {On a causal quantum stochastic double product integral related to {L\'evy} area},
     journal = {Annales de l{\textquoteright}Institut Henri Poincar\'e D},
     pages = {467--512},
     volume = {5},
     number = {4},
     year = {2018},
     doi = {10.4171/aihpd/60},
     mrnumber = {3900289},
     zbl = {1418.81049},
     language = {en},
     url = {http://archive.numdam.org/articles/10.4171/aihpd/60/}
}