@article{zu217141,
          number = {10},
           month = {????????},
          author = {?. ?. ??????},
           title = {The concept of the binary tree},
       publisher = {???-?? ???  ??  ?. ??????},
         journal = {????????????? ??????? ?????? ????????? ???????},
           pages = {144--145},
            year = {2015},
             url = {http://eprints.zu.edu.ua/17141/},
        abstract = {The subject of the article is the analysis of the binary  tree as an object of mathematical theory. Much attention  has been paid to the concept of the binary tree by B. Richmond, A. Odlyzko, F. Ruskey etc.
The history of the tree was prevented by A. Cayley in  1857. The study  of the tree was continued by B.D.Mckay. He divided the vertices in database of the tree into 18 vertices, G. Royle continued the study.}
}