@article{ZNSL_1984_135_a4,
     author = {M. T. Karaev},
     title = {Usage of convolution for the proof of unicellularity},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {66--68},
     year = {1984},
     volume = {135},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1984_135_a4/}
}