THE CROSS-DISCIPLINARY CONCEPT OF NONLINEARITY AS A TOOL OF SCIENTIFIC COMPETENCE FORMATION IDEAS OF NATURAL SCIENCES AS INSTRUMENTS OF DEVELOPMENT OF RATIONAL PEOPLE THINKING ArticleGOLUBJEVA OLGA, Minasyan L.A., ODINTSOVA EKATERINA, SIDOROV SERGEJAnais da Academia Brasileira de Ciencias. Том 90. 2018. С. 2181-2185