@article{01146296,
title = {Complex analysis methods in the theory of infinitesimal bendings of surfaces with a flat point.},
journal = {Memoirs on Differential Equations and Mathematical Physics},
volume = {12},
year = {1997},
pages = {219-222},
zbl = {0907.53011},
language = {en},
url = {http://dml.mathdoc.fr/item/01146296}
}
Usmanov, Z.D. Complex analysis methods in the theory of infinitesimal bendings of surfaces with a flat point.. Memoirs on Differential Equations and Mathematical Physics, Tome 12 (1997) pp. 219-222. http://gdmltest.u-ga.fr/item/01146296/