@article{100040,
author = {Eduard \v Cech},
title = {Proektivnaia differentsial'naia geometriia sootvetstvii mezhdu dvumia prostranstvami. III},
journal = {Czechoslovak Mathematical Journal},
volume = {02},
year = {1952},
pages = {125-148},
zbl = {0052.38504},
mrnumber = {0063100},
language = {ru},
url = {http://dml.mathdoc.fr/item/100040}
}
Čech, Eduard. Проективная дифференциальная геометрия соответствий между двумя пространствами. III. Czechoslovak Mathematical Journal, Tome 02 (1952) pp. 125-148. http://gdmltest.u-ga.fr/item/100040/