diff --git a/homeworks/10-==.md b/homeworks/10-==.md
index 917e28e..da0f1e4 100644
--- a/homeworks/10-==.md
+++ b/homeworks/10-==.md
@@ -5,5 +5,14 @@
 - Байткод `IS_OP`: https://docs.python.org/3/library/dis.html#opcode-IS_OP
 - Как работают сравнения в Python? https://docs.python.org/3/reference/datamodel.html#object.__eq__
 - `functools.total_ordering`: https://docs.python.org/3/library/functools.html#functools.total_ordering
+- `functools.cmp_to_key`: https://docs.python.org/3/library/functools.html#functools.cmp_to_key
 - `@dataclass(eq=True, order=True)`: https://docs.python.org/3/library/dataclasses.html#dataclasses.dataclass
 - `ast.Compare`: https://docs.python.org/3/library/ast.html#ast.Compare
+
+Другие статьи:
+- https://snarky.ca/unravelling-rich-comparison-operators/
+- https://snarky.ca/unravelling-is-and-is-not/
+
+Жесть:
+- `PyObject_RichCompare`: https://docs.python.org/3/c-api/object.html#c.PyObject_RichCompare
+- `tp_richcompare`: https://docs.python.org/3/c-api/typeobj.html#c.PyTypeObject.tp_richcompare и https://docs.python.org/3/c-api/typeobj.html#c.richcmpfunc