SMDS_Iterator<const SMDS_MeshElement *> * itNodes=elem->nodesIterator();
while(itNodes->more())
fprintf(myFileId, "%d ", itNodes->next()->GetID());
SMDS_Iterator<const SMDS_MeshElement *> * itNodes=elem->nodesIterator();
while(itNodes->more())
fprintf(myFileId, "%d ", itNodes->next()->GetID());