@article{ZNSL_1989_171_a4,
     author = {A. A. Zykov},
     title = {Partial regularity of gradients of solutions for nonlinear nondiagonal systems in divergence form},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {66--69},
     publisher = {mathdoc},
     volume = {171},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1989_171_a4/}
}