@misc{variational+iteration+technique+for+solving+higher+order+boundary+value+problem+with+additional+boundary+condition, author = {Filipowska, Renata}, title = {Variational iteration technique for solving higher order boundary value problem with additional boundary condition}, journal = {Technical Transactions}, address = {Kraków}, publisher = {Wydawnictwo PK}, date = {2016}, number = {Y. 113, iss. 4-M} }