@article{ZNSL_1981_113_a16,
     author = {N. G. Sidorenko},
     title = {For which~$p$ and~$r$ is the equation $\Pi_p(L^r,\cdot)=I_p(L^r,\cdot)$ true?},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {237--242},
     publisher = {mathdoc},
     volume = {113},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_113_a16/}
}