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 СтатьяГолубева Ольга, Минасян Л.А., Одинцова Екатерина, Сидоров СергейAnais da Academia Brasileira de Ciencias. Том 90. 2018. С. 2181-2185