@article{ZNSL_1998_250_a0,
     author = {S. A. Avdonin and M. I. Belishev and Yu. S. Rozhkov},
     title = {Dynamical inverse problem for nonselfadjoint {Sturm--Liouville} operator},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {7--21},
     publisher = {mathdoc},
     volume = {250},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1998_250_a0/}
}