@article{ZNSL_1994_211_a12,
     author = {E. V. Orlovskaya},
     title = {A minimum for the theta function in three variables and the solution of the {Rankin--Sobolev} problem in a~three-dimensional space},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {150--157},
     publisher = {mathdoc},
     volume = {211},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1994_211_a12/}
}