@article{UFA_2013_5_2_a6,
     author = {R. S. Saks},
     title = {Solving of spectral problems   for curl and {Stokes} operators},
     journal = {Ufa mathematical journal},
     pages = {63--81},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2013_5_2_a6/}
}