@article{ZNSL_2014_424_a8,
     author = {D. M. Stolyarov},
     title = {Bilinear embedding theorems for differential operators in~$\mathbb R^2$},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {210--234},
     year = {2014},
     volume = {424},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2014_424_a8/}
}