@article{ZNSL_1972_30_a9,
     author = {J. B. Farforovskaja},
     title = {An example of {a~Lipschitzian} function of selfadjoint operators that yields a~nonnuclear increase under a~nuclear perturbation},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {146--153},
     publisher = {mathdoc},
     volume = {30},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1972_30_a9/}
}