@article{bwmeta1.element.desklight-2958cd06-f4a0-464f-86d3-a193ddba901d,
author = {Barbara Alfawicka},
title = {Inverse problems connected with periods of oscillations described by x + g(x) = 0},
journal = {Annales Polonici Mathematici},
volume = {44},
year = {1984},
pages = {297-308},
zbl = {0561.34027},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-2958cd06-f4a0-464f-86d3-a193ddba901d}
}
Barbara Alfawicka. Inverse problems connected with periods of oscillations described by ẍ + g(x) = 0. Annales Polonici Mathematici, Tome 44 (1984) pp. 297-308. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-2958cd06-f4a0-464f-86d3-a193ddba901d/