@article{ZNSL_1969_14_a12,
     author = {V. A. Solonnikov},
     title = {On the complementing condition for overdetermined systems},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {237--255},
     year = {1969},
     volume = {14},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1969_14_a12/}
}