@article{JFAA_1998__4_2_59569, author = {K. Oskolov}, title = {Schr\"odinger {Equation} and {Oscillatory} {Hilbert} {Transforms} of {Second} {Degree.}}, journal = {The journal of Fourier analysis and applications}, pages = {341--356}, year = {1998}, volume = {4}, number = {2}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JFAA_1998__4_2_59569/} }