@article{ZNSL_2001_282_a3,
     author = {O. L. Vinogradov},
     title = {On the upper bounds of {Lebesgue} constants for {Forier{\textendash}Jacobi} series summation methods},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {34--50},
     year = {2001},
     volume = {282},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2001_282_a3/}
}