array(3) {
  [0]=>
  int(1919)
  [1]=>
  string(373) "<em>Smirnov A., Levashova T., Shilov N., Kashevnik A.</em> Knowledge sharing in flexible supply networks: a context-based approach. Control & Cybernetics. Systems Research Institute of the Polish Academy of Sciences. Special issue on Performance Evaluation Models of Manufacturing Systems” (Zbigniew A. Banaszak and Oleg Zaikin, eds.). Vol. 39, no. 1, 2010, pp. 177–196"
  [2]=>
  int(1)
}
<h1>DB Error 230: Duplicate entry '1919-1' for key 'citations.citations_submission_seq'</h1>