@article{10_21136_AM_1977_103683,
     author = {Marek, Ivo and Z{\'\i}tko, Jan},
     title = {Ljusternik acceleration and the extrapolated {S.O.R.} method},
     journal = {Applications of Mathematics},
     pages = {116--133},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1977},
     doi = {10.21136/AM.1977.103683},
     mrnumber = {0431667},
     zbl = {0367.65016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1977.103683/}
}