@article{RM_2022_77_6_a1,
     author = {P. G. Grinevich and R. G. Novikov},
     title = {Spectral inequality for {Schr\"odinger's} equation with multipoint potential},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1021--1028},
     year = {2022},
     volume = {77},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2022_77_6_a1/}
}