Geodesic
On the absence of periodic solutions taking the value $x=0$ in a class of differential equations of the form $\ddot x+x=F(x,\,\dot x)$
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1964), pp. 120-122
Cet article a éte moissonné depuis la source Math-Net.Ru

Voir la notice de l'article

@article{IVM_1964_3_a17,
     author = {G. E. Popov},
     title = {On the absence of periodic solutions taking the value $x=0$ in a class of differential equations of the form $\ddot x+x=F(x,\,\dot x)$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {120--122},
     year = {1964},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1964_3_a17/}
}
TY  - JOUR
AU  - G. E. Popov
TI  - On the absence of periodic solutions taking the value $x=0$ in a class of differential equations of the form $\ddot x+x=F(x,\,\dot x)$
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1964
SP  - 120
EP  - 122
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/IVM_1964_3_a17/
LA  - ru
ID  - IVM_1964_3_a17
ER  - 
%0 Journal Article
%A G. E. Popov
%T On the absence of periodic solutions taking the value $x=0$ in a class of differential equations of the form $\ddot x+x=F(x,\,\dot x)$
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1964
%P 120-122
%N 3
%U http://geodesic.mathdoc.fr/item/IVM_1964_3_a17/
%G ru
%F IVM_1964_3_a17
G. E. Popov. On the absence of periodic solutions taking the value $x=0$ in a class of differential equations of the form $\ddot x+x=F(x,\,\dot x)$. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1964), pp. 120-122. http://geodesic.mathdoc.fr/item/IVM_1964_3_a17/