@article{DAN_1969_186_3_a3,
     author = {A. S. Dynin},
     title = {On the index of families of pseudodifferential operators on manifolds with a boundary},
     journal = {Doklady Akademii Nauk},
     pages = {506--508},
     publisher = {mathdoc},
     volume = {186},
     number = {3},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_186_3_a3/}
}