@article{RM_1998_53_3_a5,
     author = {S. N. Lakaev and Zh. I. Abdullaev},
     title = {Spectrum of the four-particle {Schr\"odinger} operator with paired contact interactions on a~lattice},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {630--632},
     publisher = {mathdoc},
     volume = {53},
     number = {3},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1998_53_3_a5/}
}