@article{ZNSL_1998_251_a1,
     author = {N. M. Bogoliubov},
     title = {Non-Hermitian integrable models},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {22--32},
     publisher = {mathdoc},
     volume = {251},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1998_251_a1/}
}