@article{ZNSL_2012_398_a1,
     author = {N. M. Bogoliubov and P. P. Kulish},
     title = {Exactly solvable models of quantum nonlinear optics},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {26--54},
     publisher = {mathdoc},
     volume = {398},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2012_398_a1/}
}