Paper  bibtex   

@article{
 title = {A rapidly convergent descent method for minimization},
 type = {article},
 year = {1960},
 id = {b052b227-71cd-395a-ac92-ae5a6b07bc66},
 created = {2011-07-28T18:39:52.000Z},
 file_attached = {true},
 profile_id = {219e8e76-b8c8-3aa5-898d-2153cb61efd4},
 group_id = {cd79d359-3d3b-38cd-822c-b775fd5f31ce},
 last_modified = {2017-03-14T11:02:08.776Z},
 read = {false},
 starred = {false},
 authored = {false},
 confirmed = {false},
 hidden = {false},
 private_publication = {false},
 bibtype = {article},
 author = {Fletcher, By R and Powell, M J D},
 number = {1}
}