TY - JOUR AU - M. F. Pyshkina TI - Asymptotic of eigen functions of Helmholz equation concentrated in a~neighbourhood of closed geodesical line JO - Zapiski Nauchnykh Seminarov POMI PY - 1969 SP - 154 EP - 160 VL - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1969_15_a9/ LA - ru ID - ZNSL_1969_15_a9 ER -