@article{ZNSL_2000_272_a10,
     author = {D. S. Kataev},
     title = {On the biquadratic {Eisenstein} series},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {197--226},
     publisher = {mathdoc},
     volume = {272},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2000_272_a10/}
}