@article{MZM_2016_99_5_a3,
     author = {A. Ifa and N. M'Hadbi and M. Rouleux},
     title = {On {Generalized} {Bohr--Sommerfeld} {Quantization} {Rules} for {Operators} with {PT} {Symmetry}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {673--683},
     publisher = {mathdoc},
     volume = {99},
     number = {5},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2016_99_5_a3/}
}