Geodesic
On differential equations of the form $x''=f(x)$
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Collected works on approximation analysis of the Leningrad Branch of the Institute, Tome 28 (1949), pp. 148-151 
L. V. Kantorovich. On differential equations of the form $x''=f(x)$. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Collected works on approximation analysis of the Leningrad Branch of the Institute, Tome 28 (1949), pp. 148-151. http://geodesic.mathdoc.fr/item/TM_1949_28_a6/
@article{TM_1949_28_a6,
     author = {L. V. Kantorovich},
     title = {On differential equations of the form $x''=f(x)$},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {148--151},
     year = {1949},
     volume = {28},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1949_28_a6/}
}
TY  - JOUR
AU  - L. V. Kantorovich
TI  - On differential equations of the form $x''=f(x)$
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1949
SP  - 148
EP  - 151
VL  - 28
UR  - http://geodesic.mathdoc.fr/item/TM_1949_28_a6/
LA  - ru
ID  - TM_1949_28_a6
ER  - 
%0 Journal Article
%A L. V. Kantorovich
%T On differential equations of the form $x''=f(x)$
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1949
%P 148-151
%V 28
%U http://geodesic.mathdoc.fr/item/TM_1949_28_a6/
%G ru
%F TM_1949_28_a6

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