TY  - DATA
AU  - Harold E. Trease, Martin F. Fritts, W. Patrick Crowley
TI  - Advances in the Free-Lagrange Method
SN  - 9783540466086
PY  - 1991///
PB  - Springer Berlin Heidelberg
KW  - Physics and Astronomy
UR  - https://doi.org/10.1007/3-540-54960-9
ER  -