@article{10_4153_CJM_2008_011_7,
     author = {Alexandrova, Ivana},
     title = {Semi-Classical {Wavefront} {Set} and {Fourier} {Integral} {Operators}},
     journal = {Canadian journal of mathematics},
     pages = {241--263},
     year = {2008},
     volume = {60},
     number = {2},
     doi = {10.4153/CJM-2008-011-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2008-011-7/}
}