@article{ZNSL_2000_267_a16,
     author = {S. S. Podkorytov},
     title = {Quadratic property of the rational semicharacteristic},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {241--259},
     publisher = {mathdoc},
     volume = {267},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2000_267_a16/}
}