El método de Pieper proporciona la solución de forma cerrada para cualquier manipulador 3-DOF.
i followed him for three days everyday, he' s cleaning horses and cleaning up their dung the only interesting thing he did was to buy a whetting stone this morning boss, i' il take this one such a hopeless man don' t you want to leave him? so, i did you a favor and killed himLiterature Literature