@article{ZNSL_2002_289_a5,
     author = {A. I. Generalov and M. A. Kachalova},
     title = {Yoneda algebra of {M\"obius} algebra},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {90--112},
     year = {2002},
     volume = {289},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2002_289_a5/}
}