Doklady Akademii Nauk, Tome 113 (1957) no. 6, pp. 1214-1217
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P. I. Petrov. Second order invariants of the quaternary differential quadratic form. Doklady Akademii Nauk, Tome 113 (1957) no. 6, pp. 1214-1217. http://geodesic.mathdoc.fr/item/DAN_1957_113_6_a6/
@article{DAN_1957_113_6_a6,
author = {P. I. Petrov},
title = {Second order invariants of the quaternary differential quadratic form},
journal = {Doklady Akademii Nauk},
pages = {1214--1217},
year = {1957},
volume = {113},
number = {6},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_6_a6/}
}
TY - JOUR
AU - P. I. Petrov
TI - Second order invariants of the quaternary differential quadratic form
JO - Doklady Akademii Nauk
PY - 1957
SP - 1214
EP - 1217
VL - 113
IS - 6
UR - http://geodesic.mathdoc.fr/item/DAN_1957_113_6_a6/
LA - ru
ID - DAN_1957_113_6_a6
ER -
%0 Journal Article
%A P. I. Petrov
%T Second order invariants of the quaternary differential quadratic form
%J Doklady Akademii Nauk
%D 1957
%P 1214-1217
%V 113
%N 6
%U http://geodesic.mathdoc.fr/item/DAN_1957_113_6_a6/
%G ru
%F DAN_1957_113_6_a6
