@article{ZNSL_1968_9_a4,
     author = {B. G. Nikolaev},
     title = {The expansion of an arbitrary function in terms of an integral of associated {Legendre} functions of first kind with complex index},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {105--118},
     year = {1968},
     volume = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1968_9_a4/}
}