@article{ZNSL_2006_336_a7,
     author = {S. A. Nazarov and G. H. Sweers},
     title = {Boundary value problems for the bi-harmonic equation and for the iterated {Laplacian} in a three-dimensional domain with an edge},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {153--198},
     publisher = {mathdoc},
     volume = {336},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2006_336_a7/}
}