@article{DAN_1971_201_5_a3,
     author = {M. M. Gekhtman},
     title = {On some analytic properties of the resolvent kernel of an ordinary differential operator of even order on a {Riemann} surface},
     journal = {Doklady Akademii Nauk},
     pages = {1025--1028},
     year = {1971},
     volume = {201},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_201_5_a3/}
}