C++11 Smart Pointers

#include <memory>
using namespace std;

class B;
class A
{
public:
	A( ) {};
			~A()
			{
				int j = 0;
			}
			//shared_ptr<B> m_spToB;
			B* m_spToB;
};

class B
{
public:
	B( ) {};
			~B()
			{
				int k = 0;
			}
			//shared_ptr<A> m_spToA;
			A* m_spToA;
};