@article{10_21136_MB_2003_133999,
     author = {Adamec, Ladislav},
     title = {A note on the fundamental matrix of variational equations in $\mathbb{R}^3$},
     journal = {Mathematica Bohemica},
     pages = {411--418},
     publisher = {mathdoc},
     volume = {128},
     number = {4},
     year = {2003},
     doi = {10.21136/MB.2003.133999},
     mrnumber = {2032478},
     zbl = {1052.37014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2003.133999/}
}