@article{SM_1989_64_1_a9,
     author = {B. S. Pavlov},
     title = {Boundary conditions on thin manifolds and the semiboundedness of the three-particle {Schr\"odinger} operator with pointwise potential},
     journal = {Sbornik. Mathematics},
     pages = {161--175},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1989_64_1_a9/}
}