@article{NUMA_1984__45_132963,
     author = {Andrzej Marciniak},
     title = {Energy {Conserving,} {Arbitrary} {Order} {Numerical} {Solutions} of the {N-Body} {Problem.}},
     journal = {Numerische Mathematik},
     pages = {207--218},
     publisher = {mathdoc},
     volume = {45},
     year = {1984},
     zbl = {0527.65057},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1984__45_132963/}
}